3.25*(8.56-6.56)怎么用递等式计算 12.8-3.14*3+0.58怎么用递等式计算 40.7-2.7*1.2怎么用递等式计算
问题描述：
3.25*(8.56-6.56)怎么用递等式计算 12.8-3.14*3+0.58怎么用递等式计算 40.7-2.7*1.2怎么用递等式计算
答
3.25*(8.56-6.56)
=3.25x2
=6.5
12.8-3.14*3+0.58
=12.8-9.42+0.58
=3.38+0.58
=3.96
40.7-2.7*1.2
=40.7-3.24
=37.46