9.66÷2.3÷0.35的简便算法是啥
问题描述:
9.66÷2.3÷0.35的简便算法是啥
答
9.66÷2.3÷0.35
=9.66÷2.3÷0.35
=4.2÷0.35
=4.2÷0.7÷0.5
=6÷0.5
=12