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325÷25÷4简便计算

325÷25÷4简便计算 =325÷(25×4) =325÷100 =3.25

(300+25)/25=300/25+25/25=12+1=13

325÷5÷5=65÷5=13

325-325÷25 =325-13 =312

这是两个还是一个

=(324+1)x85/3 =324x85/3+1x85/3 =108x85+85/3 =(100+8)x85+28+1/3 =100x85+8x85+28+1/3 =8500+680+20+8+1/3 =9208又1/3

325÷14×(266-250)简便运算 解:原式=325÷14x16 =325x4x4÷14 =1300x(4÷14) =1300x2/7 =2600/7 =371又3/7

40×(325-100÷4) =40×(325-25) =40×300 =12000

四年级速算与巧算325除以35: 解: 325÷35 =325÷5÷7 =65÷7 =9……2

(325乘4)除以(13乘4) =1300除以52 =25

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