6.4×3.28+4.6×3.28-3.28如何简算
问题描述:
6.4×3.28+4.6×3.28-3.28如何简算
答
6.4×3.28+4.6×3.28-3.28
=6.4×3.28+4.6×3.28-1×3.28
=(6.4+4.6-1)×3.28
=10×3.28
=32.8