4分之1乘2.2减0.25差是多少?
问题描述:
4分之1乘2.2减0.25差是多少?
答
=1/4×2.2-1/4
=1/4×(2.2-1)
=1/4×1.2
=0.3
4分之1乘2.2减0.25差是多少?
=1/4×2.2-1/4
=1/4×(2.2-1)
=1/4×1.2
=0.3