6.3÷0.42简便运算
问题描述:
6.3÷0.42简便运算
答
6.3÷0.3÷0.7÷2
=21÷0.7÷2
=30÷2
=15
6.3÷0.42简便运算
6.3÷0.3÷0.7÷2
=21÷0.7÷2
=30÷2
=15