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ID:40091181
大小:20.01 KB
页数:4页
时间:2019-07-20
《五年级数学上册简便算法题及答案》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、10÷3.14-6.86÷3.1437.68÷0.25÷43.75-(2.75-1.3)37.56-(18+7.56)0.77÷144.5×9.80.7÷0.1250.7÷0.252.5×3.2×12.512.5×9.6×0.253.75-(2.8-1.25)37.65÷0.4÷0.253.125÷8÷0.12537.65-4.75-3.2525×6.4×12.53.6×0.25答案10÷3.14-6.86÷3.14=(10-6.86)÷3.14=3.14÷3.14=137.68÷0.25÷4=37
2、.68÷(0.25×4)=37.68÷1=37.683.75-(2.75-1.3)=3.75-2.75+1.3=1+1.3=2.337.56-(18+7.56)=37.56-7.56-18=30-18=120.77÷14=0.77÷7÷2=0.11÷2=0.0554.5×9.8=4.5×(10-0.2)=4.5×10-4.5×0.2=45-0.9=44.10.7÷0.125=(0.7×8)÷(0.125×8)=0.56÷1=0.560.7÷0.25=(0.7×4)÷(0.25×4)=2.8÷1=2.
3、82.5×3.2×12.5=(2.5×0.4)×(8×12.5)=1×100=10012.5×9.6×0.25=(12.5×0.8)×3×(4×0.25)=10×3×1=303.75-(2.8-1.25)=3.75+1.25-2.8=5-2.8=2.237.65÷0.4÷0.253.125÷8÷0.12537.65-4.75-3.2525×6.4×12.5=25×4×0.2×8×12.53.6×0.25=(4-0.4)×0.253.4÷9+5.6÷9=
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