81.81/18.18简便运算
问题描述:
81.81/18.18简便运算
答
81.81÷18.18
=9.9 ÷ 2.2
=9/2
=4.5
81.81/18.18简便运算
81.81÷18.18
=9.9 ÷ 2.2
=9/2
=4.5