4.8乘3.5减4.8等于（）,简便计算
问题描述：
4.8乘3.5减4.8等于（）,简便计算
答
4.8*3.5-4.8=4.8(3.5-1)
=4.8*2.5=(5-0.2)*2.5
=12.5-0.5=12
答
4.8×3.5﹣4.8
=4.8×(3.5-1)
=4.8×2.5
=1.2×4×2.5
=1.2×10
=12
答
=4.8×(3.5-1)
=4.8×2.5
=1.2×4×2.5
=1.2×10
=12