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1除以7加2除以7用分表达答案,用脱式计算

1/7+2/7 =3/7

用脱式计算 1.53 +23.4÷7.2 =1.53+3.25 =4.78

18×1/3+6÷9/7 =6+14/3 =32/3

7/9÷2/3+2/9 =7/9×3/2+2/9 =7/6+2/9 =21/18+4/18 =25/18

34+14÷7 =34+2 =36

2/3-3/4×4/6+1/3÷3/7 =2/3-1/2+7/9 =1/6+7/9 =17/18

18x1/3÷9/7 =6÷9/7 =6x7/9 =14/3 =4又2/3

6/7*(4/5-2/3)除以1/5 =6/7*2/15*5 =4/7 3/4-3/4*4/7+3/7 =3/4-3/7+3/7 =3/4 如果帮到你,请记得采纳,O(∩_∩)O谢谢

14.4/3.6+7.2 =4*3.6/3.6+2*3.6 =4*1+7,2 =11.2

41×3-76÷2 =123-38 =85

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