3.56乘以38.5加0.7乘以356加9.15乘以35.6简便方法???

2024-11-25 10:01:30
推荐回答(1个)
回答1:

3.56X38.5+0.7X356+9.15X35.6
=35.6X(3.85+7+9.15)
=35.6X20
=712