4X8X1.25X25%简便计算 (69分之1+71分之2)X23+71分之25简便计算36% 50% 160% 7.5%化成分数6除()=几分之12=():12=0.75=()%
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![4X8X1.25X25%简便计算 (69分之1+71分之2)X23+71分之25简便计算36% 50% 160% 7.5%化成分数6除()=几分之12=():12=0.75=()%](/uploads/image/z/368317-37-7.jpg?t=4X8X1.25X25%25%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97+%EF%BC%8869%E5%88%86%E4%B9%8B1%2B71%E5%88%86%E4%B9%8B2%EF%BC%89X23%2B71%E5%88%86%E4%B9%8B25%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%9736%25+50%25+160%25+7.5%25%E5%8C%96%E6%88%90%E5%88%86%E6%95%B06%E9%99%A4%EF%BC%88%EF%BC%89%3D%E5%87%A0%E5%88%86%E4%B9%8B12%3D%EF%BC%88%EF%BC%89%EF%BC%9A12%3D0.75%3D%EF%BC%88%EF%BC%89%25)
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4X8X1.25X25%简便计算 (69分之1+71分之2)X23+71分之25简便计算36% 50% 160% 7.5%化成分数6除()=几分之12=():12=0.75=()%
4X8X1.25X25%简便计算 (69分之1+71分之2)X23+71分之25简便计算
36% 50% 160% 7.5%化成分数
6除()=几分之12=():12=0.75=()%
4X8X1.25X25%简便计算 (69分之1+71分之2)X23+71分之25简便计算36% 50% 160% 7.5%化成分数6除()=几分之12=():12=0.75=()%
4X8X1.25X25%
=4×0.25×8×1.25
=1×10
=10
(69分之1+71分之2)X23+71分之25
=1/69×23+2/71×23+25/71
=1/3+(46/71+25/71)
=1又1/3
36% =9/25 50%=1/2 160% 8/5 7.5%=3/406÷(8)=16分之12=(9):12=0.75=(75)%
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4X8X1.25X25%简便计算 (69分之1+71分之2)X23+71分之25简便计算36% 50% 160% 7.5%化成分数6除()=几分之12=():12=0.75=()%
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