1.2÷(9.6÷2.4)×2.5的简便算法是?
问题描述:
1.2÷(9.6÷2.4)×2.5的简便算法是?
答
1.2÷(9.6÷2.4)×2.5
=1.2÷4X2.5
=0.3X2.5
=0.75