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LV Lê Văn Thành Long 18 tháng 10 2014 - olm

                                        Vừa gà vừa chó

                                        Bó lại cho tròn

                                        Ba mươi sáu con

                                        Một trăm chân chẵn

                                Hỏi có mấy,con gà mấy con chó ?

#Hỏi cộng đồng OLM #Toán lớp 5 57 TA Trâm Anh 24 tháng 10 2014

Nếu tất cả đều là chó thì tổng số chân là : 36 * 4 = 144 ( chân )

Số gà là : ( 144 - 100 ) : 2 = 22 ( con )

Số chó là : 36 - 22 = 14 ( con )

  ĐS : Gà : 22 con

         Chó : 14 con

 

Đúng(1) NH Nguyen Hoang Yen Nhi 18 tháng 10 2014

giả sử mỗi con chó chỉ đứng bằng 2 chân sau và co hai chân trước lên. Thế thì mỗi con chó đều chỉ có hai chân và ta có thể coi 36 con đều là gà cả.                               Lúc đó, 36 con có :                                                           2 x 36 = 72 (chân)                                             Vâỵ số chân co lên là:                                                     100 - 72 = 28 (chân)                                           Suy ra số chó là :                                                              28 : 2 = 14 (con)                                                Số gà  là :                                                                        36 - 14 = 22 (con)

Đúng(1) DH Đinh Hoàng Xuân Nguyên 25 tháng 4 2015

gà thì 22 con

chó thì 14 con

chắc chắn là đúng!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Đúng(0) NT Nguyễn thị quỳnh giang 10 tháng 5 2015

Gọi x là số gà Số chó là: 36 – x Số chân gà: 2x Số chân chó: 4(36-x) theo đề bài ta có: 2x + 4(36 – x) =100 2x + 144 – 4x = 100 2x = 144 – 100 2x = 44 x = 22 Vậy số gà là 22 con Số chó : 36 – 22 = 14 — Bạn bảo mấy con chó đặt 2 chân trước lên ghế,tổng số chân dưới đất sẽ là 36 x 2  = 72 chân. Suy ra số chân trên ghế là 28 chân. Vậy có 14 con chó …. — Dùng hệ phương trình Gọi x là gà, y là chó Ta có hệ pt: x + y = 36 2x + 4y = 100 Giải hệ pt x = 22,y = 14 Vậy gà có 22 con, chó có 14 con. Mời các bạn chia sẻ thêm cách giải hay, thú vị khác nữa nhé. 

Đúng(0) PT Pé Thỏ 22 tháng 5 2015

Nếu tất cả đều là chó thì tổng số chân là : 36 * 4 = 144 ( chân )Số gà là : ( 144 - 100 ) : 2 = 22 ( con )Số chó là : 36 - 22 = 14 ( con )  ĐS : Gà : 22 con         Chó : 14 con

Đúng(0) HT Huynh Thien Tam 19 tháng 12 2015

Giá 36 con đều là số chân bị hụt là:

36 X 2= 72 (cái chân)

Số chân mỗi con chó bị hụt là:

4 -2=2 (cái chân)

Số con gà là: 

(100 -72):2=14(con)

Số con chó là:

36 -14=22(con)

        Đáp số: gà:14 con

                    chó:22 con

     tick tôi đi, nếu ai không tin cứ thử ,làm đi xin mời.

Đúng(0) DH ĐoànNguyên Hanh 7 tháng 1 2016

gà 22 ; chó 14

 

Đúng(0) TH tran hai dang 11 tháng 1 2016

chi la bai toan gia thiet tam

Đúng(0) L Lelouch 15 tháng 2 2016

14 va 22 con dung nha

Đúng(0) TD Trần Duy Khôi 29 tháng 2 2016

22 ga va 14 cho vi 22.2=44 chan 

14 cho vi 14.4=56 chan 

=>56+44=100

Đúng(0) TD Trần Duong Yến Như 10 tháng 3 2016

Ý bài toán : Gà và chó có tất cả 36 con. Nếu đếm chân gà lẫn chân chó, thì có tất cả là 100 cái. Hỏi có mấy con chó và mấy con gà.

Đáp số : 14 con chó và 22 con gà.

Đúng(0) LX Lê Xuân Đạt 11 tháng 3 2016

Gà là 22 con

Chó 14 con

Đúng(0) NT Nguyễn Thị Trà My 14 tháng 3 2016

ga 22 con , cho 14 con

Đúng(0) BK Bùi Khánh Linh 4 tháng 4 2016

                                                                                 Giải                                                                                                                        1 con gà =2 chân,1 con chó 2 chân                                                                                                                                                             gải sử 

Đúng(0) PT pham tuan dung 9 tháng 8 2016

ga 22,cho 14

Đúng(0) NV Ngô Việt Hoàng 20 tháng 8 2016

thi ra =22 va 14

Đúng(0) VT Vương Thái Hà 20 tháng 8 2016

14 con

Đúng(0) NV Ngô Việt Hoàng 21 tháng 8 2016

gà 22 chó 14 nếu ko tin xin làm thủ

Đúng(0) NV Ngô Việt Hoàng 23 tháng 8 2016

=22 và 14

Đúng(0) HT Hoàng Tử của dải Ngân Hà 27 tháng 8 2016

giả sử 36 con đều là chó thì có số chân là :

36 x 4 = 144 ( chân )

số con gà là : 

( 144 - 100 ) : 2 = 22 ( con )

số con chó là :

36 - 22 = 14 ( con )

ĐS : ...

Đúng(0) TN Trần Như Thảo Sương 28 tháng 9 2016

22 con gà 14 con chó

Đúng(0) ND Ngô Duy Khánh 29 tháng 9 2016

llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll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 Đúng(0) NT nguyễn thị triệu vy 5 tháng 10 2016

bài này bình thườg

Đúng(0) NP Nguyễn Phạm Khánh 1 tháng 11 2016

22 con gà 14 con chó bạn nhé

Đúng(0) DL Do long 7 tháng 11 2016

14con chó , 22 con gà

Đúng(0) HH huỳnh hương huệ 3 tháng 1 2017

la 14 cho 22 ga do nha cach ban

Đúng(0) HH huỳnh hương huệ 3 tháng 1 2017

14 la cho 12 la ga dung 100% luon do nha 

Đúng(0) LH Lê Hoàng Giang 18 tháng 1 2017

14 là số chó

22 là số gà bạn nhé!

Đúng(0) T tranthanthanh 24 tháng 1 2017

Theo tớ thì nên giải thế này:

Nếu cả 36 con là chó thì có số chân là:36*4=144[chân]

Số chân tăng là:144-100=44[chân]

Số chân tăng do con gà được tăng thêm:4-2=2[chân]

Số gà là:44/2=22[con]

Số chó là:36-22=14[con]

Đúng(0) NT nguyen thi huyen trang 14 tháng 2 2017

chó 14 con ; gà 22 con

Đúng(0) Xem thêm câu trả lời Các câu hỏi dưới đây có thể giống với câu hỏi trên BD Black Devil King 20 tháng 4 2016 - olm

''Vừa gà vừa chóBó lại cho trònBa mươi sáu conMột trăm chân chẵn"Hỏi có mấy con gà,mấy con chó?

 

#Hỏi cộng đồng OLM #Toán lớp 5 7 LN Lê Nho Khoa 20 tháng 4 2016

Gà + Chó = 36 (con) Chân gà + Chân chó = 100 (chân) (2 chân x Gà) + (4 chân x Chó) = 100 (chân) (2 chân x Gà) + {4 chân x (36 - Gà)} = 100 (chân) 2 chân*Gà + 144 chân Gà Chó - 4 chân* Gà = 100 (chân Gà Chó) 144 chân - 100 chân = 4 chân*Gà - 2 chân*Gà 44 chân = 2 chân*Gà Gà = 44 chân : 2 chân Gà = 22 (con) => Chó = 36 - 22 = 14 (con) Đáp số: Gà: 22 con Chó: 14 con 

Đúng(0) NM Nguyễn Minh Thu 20 tháng 4 2016

gà:22 con

chó:14 con

Đúng(0) Xem thêm câu trả lời CL Cheerful Little Girl 5 tháng 3 2016 - olm

"Vừa gà vừa chó

Bó lại cho tròn,

Ba mươi sáu con,

Một trăm chân chẵn".

Hỏi có mấy con gà,mấy con chó

#Hỏi cộng đồng OLM #Toán lớp 5 0 BA bí ẩn 13 tháng 12 2015 - olm

 

Vừa gà vừa chóBó lại cho trònBa mươi sáu conMột trăm chân chẵnHỏi mấy gà, mấy chó?

#Hỏi cộng đồng OLM #Toán lớp 5 3 NN Nga Nguyễn 18 tháng 12 2015

1 con gà có 2 chân, 1 con chó có 4 chân.

Giả sử 36 con đều là chó thì có số chân là :

         36 x 4 = 144 ( chân )

Số chân dôi ra là :

         144 - 100 = 44 ( chân )

Số chân dôi ra vì thay 1 con gà bằng 1 con chó.

1 con chó hơn 1 con gà :

         4 - 2 = 2 ( chân )

Số gà là : 

         44 : 2 = 22 ( con )

Số chó là :

         36 - 22 = 14 ( con )

tự đáp số! Bài này làm hiểu chứ ? muốn hỏi tui vào trường tiểu học Cao Mại tên Nga Nguyễn Rùi kết bạn với tui, tui giải bài cho nghen!

Đúng(0) T Trung 13 tháng 12 2015

 Gà + Chó = 36 (con) Chân gà + Chân chó = 100 (chân) (2 chân x Gà) + (4 chân x Chó) = 100 (chân) (2 chân x Gà) + {4 chân x (36 - Gà)} = 100 (chân) 2 chân*Gà + 144 chân Gà Chó - 4 chân* Gà = 100 (chân Gà Chó) 144 chân - 100 chân = 4 chân*Gà - 2 chân*Gà 44 chân = 2 chân*Gà Gà = 44 chân : 2 chân Gà = 22 (con) => Chó = 36 - 22 = 14 (con) Đáp số: Gà: 22 con Chó: 14 con 

Đúng(0) Xem thêm câu trả lời HT Hoàng Thị Minh Quyên 8 tháng 7 2015 - olm

Vừa gà vừa chó

Bó lại cho tròn

Ba mươi sáu con

Một trăm chân chẵn

Hỏi mấy gà mấy chó?

#Hỏi cộng đồng OLM #Toán lớp 5 2 TC Thu Cúc 8 tháng 7 2015

Trong câu hỏi tương tự,Bài Phạm Đặng Tuấn Dũng

Baì này giải bằng 2 cách,nhưng mình chỉ xin nêu 1 cách:

       -Giả sử chó cũng có 2 chân như gà thì có số chân là:

                          36x2=72(chân)

        Số chân bị thiếu đi là

           100-72=28(chân)

-Vì đã giả sử chó cũng cũng có 2 chân như gà nên có số con chó là

             28:2=14(con chó)

Có số con gà là:

   36-14=22(con gà)

Đúng(0) ND Nguyễn Đình Dũng 8 tháng 7 2015

bạn xem trong câu hỏi tương tự

Đúng(0) Xem thêm câu trả lời PT Phan Thanh Bình 19 tháng 3 2016 - olm

Vừa gà vừa chó 

Bó lại cho tròn 

Ba mươi sáu con

Một trăm chân chẵn

Hỏi mấy gà, mấy chó

#Hỏi cộng đồng OLM #Toán lớp 5 10 DA Đặng Anh Thư 19 tháng 3 2016

dễ chó là 14(con).

gà 22 (con)

Đúng(0) DO Descendants of the Sun 19 tháng 3 2016

Chó  : 14 con

Gà   : 22 con

Đúng(0) Xem thêm câu trả lời NA nguyễn ánh linh 8 tháng 8 2015 - olm

vừa gà vừa chó 

bó lại cho tròn 

ba mươi sáu con 

một trăm chân chẵn

hỏi mấy gà,mấy chó

 

#Hỏi cộng đồng OLM #Toán lớp 5 2 ML Moon Light 8 tháng 8 2015

Giả sử 36 con đều là gà thì có:36x2=72(chân)

Số chân hụt đi là:100-72=28(chân)

Thay 1 cho bằng 1 gà thì hụt đi 4-2=2(chân)

Nên số chó là:28:2=14(con)

Số gà là:36-14=22(con)

Đúng(0) TT Trần Tuyết Như 8 tháng 8 2015

Giúp tôi giải toán - Hỏi đáp, thảo luận về toán học - Học toán với OnlineMath

Đúng(0) Xem thêm câu trả lời HN Hiếu Nguyễn 9 tháng 10 2016 - olm

vừa gà vừa chó bó lại cho tròn có mười sáu con bốn mươi chân chẵn hỏi có mấy gà mấy chó​​​​

#Hỏi cộng đồng OLM #Toán lớp 5 3 DH Đặng Hoàng Long 9 tháng 10 2016

Giải:

Giả sử mỗi con chó chỉ đứng bằng 2 chân sau và co 2 chân trước lên. Khi đó, mỗi con chó chỉ có hai chân và ta có thể coi 36 con đều là gà.

Lúc này, 36 con có: 2 x 36 = 72 (chân)

Số chân co lên sẽ là: 100 – 72 = 28 (chân)

Số chó là: 28 : 2 = 14 (con)

Số gà là: 36 – 14 = 12 (con)

 * Giả thiết tạm ở đây là: Mỗi con chó đều chỉ có hai chân

Đúng(0) TT tôn thiện trường 9 tháng 10 2016

giả sử cả 16 con toàn gà thì số chân là:

16.2=32(chân)

số chân dư là:40-32=8 (chân)

số con chó là :8:4=2 con

số gà là:16-2=14 con

Đúng(0) Xem thêm câu trả lời NT Nguyễn Trần Khánh Ly 31 tháng 5 2019 - olm

vừa gà vừa chó - bó lại cho tròn - ba mươi sáu con - một trăm chân chẵn

hỏi có b/n con gà , b/n con chó?

#Hỏi cộng đồng OLM #Toán lớp 5 0 CT Chú Tiểu 21 tháng 4 2017 - olm

Vừa gà vừa chó

Bó lại cho tròn

Có ba sáu con 

Một trăm chân chẵn

Hỏi mấy gà mấy chó

#Hỏi cộng đồng OLM #Toán lớp 5 11 NB Ninja Bóng Tối 21 tháng 4 2017

Gà = 22 con

Chó = 14 con

Đúng 100%

Chúc bạn học giỏi !

Đúng(0) SL Sóc Lá Cây 21 tháng 4 2017

Có 14 con chó và 22 con gà . 100 % đúng

Đúng(0) Xem thêm câu trả lời PP Phạm Phương Lan 5 tháng 5 2016 - olm

Vừa gà vừa chó

Bó lại cho tròn

Ba mươi sáu con

Một trăm chân chẵn

Hỏi có bao nhiêu con gà, con chó?

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