7a^2+3ab/11a^2-8b^2=7c^2+3cd/11c^2-8d^2 - DocumenTV

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Cho a/b=c/d.Chứng minh: 7a^2+3ab/11a^2-8b^2=7c^2+3cd/11c^2-8d^2 Home/ Môn Học/Môn Toán/Cho a/b=c/d.Chứng minh: 7a^2+3ab/11a^2-8b^2=7c^2+3cd/11c^2-8d^2

Cho a/b=c/d.Chứng minh: 7a^2+3ab/11a^2-8b^2=7c^2+3cd/11c^2-8d^2

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Cho a/b=c/d.Chứng minh: 7a^2+3ab/11a^2-8b^2=7c^2+3cd/11c^2-8d^2

in progress 0 Môn Toán King 5 years 2020-11-02T12:48:00+00:00 2020-11-02T12:48:00+00:00 2 Answers 164 views 0

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Answers ( )

1. Dulcie 0 2020-11-02T12:49:32+00:00 November 2, 2020 at 12:49 pm Reply

   Đáp án:

   Giải thích các bước giải:

   

2. Philomena 0 2020-11-02T12:49:58+00:00 November 2, 2020 at 12:49 pm Reply

   Làm trg ảnh nhé

   

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