4.58+25.1+45.8×6.35+8.458×114﹙简便运算﹚

问题描述:

4.58+25.1+45.8×6.35+8.458×114﹙简便运算﹚

4.58×25.1+45.8×6.35+0.458×114
=45.8×2.51+45.8×6.35+45.4×1.14
=45.8×(2.51+6.35+1.14)
=45.8×10
=458