简便脱式计算

2024-03-20 22:30:31   文档大全网     [ 字体: ] [ 阅读: ]

#文档大全网# 导语】以下是®文档大全网的小编为您整理的《简便脱式计算》,欢迎阅读!
简便,计算
简便计算:

1123+259+741+477

=123+477+259+741 =600+1000 =1600

295×46+46×5 =46×(95+5 =46×100 =4600

3102×34 =100+2)×34 =100×34+2×34 =3400+68 =3468

4749+5036+251 =749+251+5036 =1000+5036 =6036

599×99+99 =99×(99+1 =99×100 =9900

6614402 = 614-400-2 =214-2 =212

77257624 =725-76+24 = 725-100 =625

8125×24 =125×8×3 =1000×3 =3000

9360÷24 =360÷4÷6 =90÷6 =15

101800÷5÷2 =1800÷(5×2 =1800÷10 =180


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