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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

=1/4×(2/9+7/9-1) =1/4×0 =0

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

(7/8-3/16)x(1-1/9) =(11/16)x(8/9) =11/18.

(7/9+4/21-3/7)乘6.3 =7/9x6.3+4/21x6.3-3/7x6.3 =4.9+1.2-2.7 =3.4

36×7/12+ 36× 7/9- 36×3 /4

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