a,2/7;35/7
b,16/4;3/4
ick nha ket ban nua
Bài 2 :
a) : 2/7 và 5 = 5/1 = 5x7/1x7 = 35/7
b) : 4 = 4/1 = 4x4/1x4 = 16/4 và 3/4
k mình nha các bạn mình đang bị âm điểm !
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