作业帮50×0.25×0.2简算和1.25×0.25×0.2和6.08×99+6.815.2×2.4+1.52×76和1.25×0.25×32快
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50×0.25×0.2简算和1.25×0.25×0.2和6.08×99+6.815.2×2.4+1.52×76和1.25×0.25×32快
50×0.25×0.2简算和1.25×0.25×0.2和6.08×99+6.8
15.2×2.4+1.52×76和1.25×0.25×32快
50×0.25×0.2简算和1.25×0.25×0.2和6.08×99+6.815.2×2.4+1.52×76和1.25×0.25×32快
50×0.25×0.2
=50×0.2×0.25
=10×0.25
=2.5
1.25×0.25×0.2
=1.25×0.2×0.25
=0.25×0.25
=0.625
6.08×99+6.8
=6.08×99+6.08+0.72
=6.08×（99+1）+6.8
=608+0.72
=608.72
15.2×2.4+1.52×76
=1.52×24+1.52×76
=1.52×（24+76）
=1.52×100
=152
1.25×0.25×32
=1.25×0.25×8×4
=（1.25×8）×（0.25×4）
=10×1
=10
50×0.25×0.2=50x0.05=2.5
1.25×0.25×0.2=1.25x0.05=0.0625
6.08×99+6.8=6.08x99+6.08+0.72=6.08x(99+1)+0.72=608+0.72=608.72
50×0.25×0.2 1.25×0.25×0.2 =(50×0.2﹚×0.25 =0.3125×0.2 ...
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50×0.25×0.2 1.25×0.25×0.2 =(50×0.2﹚×0.25 =0.3125×0.2 =10×0.25 =0.0625
=2.5
6.08×99+6.8
=6.08×(100-1)+6.8
=6.08×100-6.08×1
=608-6.08+6.8
=601.92+6.8
608.72
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