Question

2.7×0.6+5/4×2.7-2.7×2/5 简便运算

发错了应该是这样才对 2.7×0.6+4/5×2.7-2.7×2/5 简便运算

Answer 1

无语··不是吧··这么简单的计算·好吧···你几年级啊··好吧··我帮你解答原式=2.7*（3/5+4/5-2/5)=2.7*1=2.7 所以···答案

Answer 2

2.7×0.6+5/4×2.7-2.7×2/5

=2.7×（0.6+0.8-0.4）
=2.7×1
=2.7