0.49÷1.4 简便运算
问题描述:
0.49÷1.4 简便运算
答
=0.49÷(7×0.2)
=0.49÷7÷0.2
=0.07÷0.2
=0.35
0.49÷1.4 简便运算
=0.49÷(7×0.2)
=0.49÷7÷0.2
=0.07÷0.2
=0.35