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1/2 2/3×括号3/4%1/6括号除以7/9脱式计算

1/2 2/3×括号3/4-1/6括号除以7/9脱式计算 解: 1/2+ 2/3×(3/4-1/6)除以7/9 =1/2+2/3×7/12÷7/9 =1/2+1/2 =1

1/22/3×括号3/4-1/6括号除以7/9脱式计算解:1/2+2/3×(3/4-1/6)除以7/9=1/2+2/3×7/12÷7/9=1/2+1/2=1

9.8÷7.3×(5.3-2.5) =9.8÷7.3×2.8 =9.8×2.8÷7.3 =27.44÷7.3 =1372/365

9分之7-括号5/18+6分之一括号脱式计算 =14/18-5/18-3/18 =9/18-3/18 =6/18 =1/3

6/7-6/7×(2/3+1/9) =6/7-6/7×7/9 =6/7×(1-7/9) =6/7×2/9 =4/21

解: 3.7-1.9+2.41 =1.8+2.41 =4.21

您好: 2/9+1/2 =4/18+9/18 =13/18 验算 13/18-2/9=13/18-4/18=1/2 6/7-2/3 =18/21-14/21 =4/21 验算 4/21+2/3=4/21+14/21=6/7 如果本题有什么不明白可以追问,如果满意记得采纳 如果有其他问题请采纳本题后另发点击向我求助,答题不易,请谅解...

=1/4×(2/9+7/9-1) =1/4×0 =0

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

九分之7-括弧5/6-9分之二括号脱式计算 7/9-(5/6-2/9) =7/9-5/6+2/9 =7/9+2/9-5/6 =1-5/6 =1/6.

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