2.4×37.5%+6.6×3/8+0.375简便计算
解答:
2.4×37.5%+6.6×3/8+0.375
=2.4x0.375+6.4x0.375+0.375
=0.375x(2.4+6.6+1)
=0.375x10
=3.75
2.4×37.5%+6.6×3/8+0.375
=2.4×0.375+6.6×0.375+0.375
=0.375×(2.4+6.6+1)=0.375×10=3.75
如图
2.4*37.5%+6.6*3/8+0.375
=2.4*0.375+6.6*0.375+0.375*1
=0.375*(2.4+6.6+1)
=0.375*10
=3.75
4.2×4
=(4+0.2)×4
=4×4+0.2x4
=16+0.8
=16.8