(0.2+6.37⼀0.7)*0.5简便算法

2025-03-28 15:45:56
推荐回答(1个)
回答1:

(0.2+6.37/0.7)*0.5
=(0.2+9.1x0.7/0.7)*0.5
=(0.2+9.1)*0.5
=9.3*0.5
=9.3/2
=4.65