0.125+3.7×1/8+1/8×5.3 简便运算
问题描述:
0.125+3.7×1/8+1/8×5.3 简便运算
答
0.125+3.7×1/8+1/8×5.3
=0.125×1+0.125×3.7+0.125×5.3
=0.125×(1+3.7+5.3)
=0.125×10
=1.25
如果明白,并且解决了你的问题,是简便计算吗?对呀,用了乘法分配律