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6/7+1/4-1/6脱式计算

6/7+1/4-1/6 =72/84+21/84-14/84 =79/84

I/6十1/4=2/12十3/12二5/12

7/9-(1/6+4/9) =7/9-4/9-1/6 =1/3-1/6 =1/6

是4分之1减6分之5减8分之7吗 1/4-5/6-7/8 =3/24-15/24-21/24 =-33/24 =-11/8

6/5-4/9+1/6-2/9脱式计算 =6/5+1/6-(4/9+2/9) =6/5+1/6-2/3 =6/5-(2/3-1/6) =6/5-1/2 =12/10-5/10 =7/10

7分之6加4分之3减4分之1脱式计算 6/7+3/4-1/4 =6/7+(3/4-1/4) =6/7+1/2 =12/14+7/14 =19/14

7/8-1/4 1/6 =21/24-6/24-4/24 =11/24 ----------------------------------------------------------

1/4+1/6-1/8 =6/24+4/24-3/24 =7/24

脱式计算 (3/4+1/6)*2/3 =3/4*2/3+1/6*2/3 =1/2+1/9 =11/18 25*1/5-5*1/5 =5-1 =4 6/11*7/15*10 =84/33 =28/11 (1/7+1/4)*28 =1/7*28+1/4*28 =4+7 =11 (21+2/5)*5/7 =21*5/7+2/5*5/7 =15+2/7 =15又2/7 39*7/13*2/3 =14

(3+3/4÷3/4+3)-(7×1/6÷7x1/6) =(3+1+3)-(1/6×1/6) =7-1/36 =6又36分之35

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