六年级150道简便计算和解方程

2022-03-21 21:01:20   文档大全网     [ 字体: ] [ 阅读: ]

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和解,方程,简便,年级,计算
年级150道简便计算和解方程

0.4×125×25×0.8 =(0.4×25)×(125×0.8) =10×100=1000

1.25×(8+10) =1.25×8+1.25×10 =10+12.5=22.5

9123-(123+8.8) =9123-123-8.8 =9000-8.8 =8991.2

1.24×8.3+8.3×1.76 =8.3×(1.24+1.76) =8.3×3=24.9

9999×1001 =9999×(1000+1) =9999×1000+9999×1 =10008999




14.8×6.3-6.3×6.5+8.3×3.7 =(14.8-6.5)×6.3+8.3×3.7 =8.3×6.3+8.3×3.7 8.3×(6.3+3.7) =8.3×10 =83

1.24+0.78+8.76 =(1.24+8.76)+0.78 =10+0.78 =10.78

933-157-43 =933-(157+43) =933-200 =733

4821-998 =4821-1000+2 =3823


I32×125×25 =4×8×125×25 =(4×25)×(8×125) =100×1000 =100000

9048÷268

=(2600+2600+2600+1248)÷26

=2600÷26+2600÷26+2600÷26+1248÷269 =100+100+100+48 =348




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