Question

7/9×8×1.8等于多少,要用简便计算做要过去。

Answer 1

原式
=1.8×7/9×8
=1.4×8
=11.2
满意采纳奥

Answer 2

7/9×8×1.8
= 7/9×8×9/5
= 7/5×8
= 56/5
= 11.2

Answer 3

7/9×8×1.8
=7/9×1.8×8
=1.4*8
=11.2