3.56x5.2+35.6x0.3+18x0.356怎么简便运算

3.56x5.2+35.6x0.3+18x0.356
=3.56x5.2+3.56x3+1.8x3.56
=3.56x(5.2+3+1.8)
=3.56x10
=35.6

把35.6缩小10倍,0.356扩大10倍.
3.56x5.2+3.56x0.3+18x3.56
=3.56><(5.2+0.3+18)
=3.56><23.5
=.(这样一来好像也不能简便哦.)可是1楼的,I服了YOU.

3.56x5.2+35.6x0.3+18x0.356
=3.56x5.2+3.56x3+1.8x3.56
=3.56x(5.2+3+1.8)
=3.56x10
=35.6

太简单了，做人要靠自己，好好想，给你点提示把他么都变成35.6