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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

7/5×2/5÷9/5 =14/25÷9/5 =14/45 你好,本题已解答,如果满意 请点右下角“采纳答案”。

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

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...

1/6+1/5+1/2 =5/30+6/30+15/30 =11/30+15/30 =13/15

12/77 2/1 3/5 2/3

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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