72÷4.5的简便运算
问题描述：
72÷4.5的简便运算
答
72÷4.5
=72/(9/2)
=72*/9*2
=8*2
=16
72÷4.5的简便运算
72÷4.5
=72/(9/2)
=72*/9*2
=8*2
=16