Question

Bài 1
a ) Tính nhanh

1997 x 1996 - 1 / 1995 x 1997 +1996

 

Answer 1

mẫu số

:1997x1996-1

1997x(1995+1)-1

1997x1995+1997x1-1

1997x1995+1997-1

1997x1995+1996

->1997x1996-1/1995x1997+1996

l i k e nhé

Answer 2

 Bạn Huy Hoàng làm đúng đó mình đã làm bài này rồi.Chúc bạn làm bài tốt.

Answer 3

Bạn ấy làm đúng rồi !

Answer 4

mẫu số là sao

Answer 5

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