3.6*5.8+10.8*1.4简算
问题描述:
3.6*5.8+10.8*1.4简算
答
(3+0.6)(6-0.2)+(11-0.2)(1+0.4)
=18-0.6+3.6-0.12+11+4.4-0.2-0.08
=36