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5/6乘以1/15除以7/18用简便运算怎么解

      发布时间: 2019-09-17

      5除以7分之5-7分之5乘以5分之氦工遁惶墚耗蛾同阀括1
      =5乘7/5-5/7*1/5
      =7-1/7
      =48/7

      如果帮到你,请记得采纳,O(∩_∩)O谢谢

      回复:

      5/(5/7)-(5氦工遁惶墚耗蛾同阀括/7)*(1/5)
      =5*(7/5)-(1/7)
      =7-(1/7)
      =48/7

      回复:

      =5×五分之七-七分之一
      =7-七分之一
      =6又七分之六

      回复:

      等于25/6+4/7+11/6在等于6+4/7等于46/7

      回复:

      15 5 4 11 6
      —× —+—+—÷—
      2 9 7 5 5

      75 4 11 5
      = —+—+—×—
      18 7 5 6

      75 4 11
      = —+—+—
      18 7 6

      108 4
      = — +—
      18 7

      4
      =6+—
      7

      4
      =6—
      7

      回复:

      原式=15/2*5/9+11/5*5/6+4/7=25/6+11/6=36/6+4/7=6+4/7

      回复:

      15/2乘5/9+4/7+11/5除以6/5 =75/18+4/7+11/5*5/6 =75/18+4/7+11/6 =108/18+4/7 =6+4/7 =6又4/7

      回复:

      5除以7分之5-7分之5乘以5分之1 =5乘7/5-5/7*1/5 =7-1/7 =48/7 如果帮到你,请记得采纳,O(∩_∩)O谢谢

      回复:

      3/4乘以16 =3×4 =12; 12除以3/5 =12×5/3; =4×5 =20; 0.3乘以5/6 =0.05×5 =0.25; 1除以7/8 =1×8/7 =8/7; 5/7乘以2/3除以5/7 =5/7×2/3×7/5 =2/3; 1/2乘以1/3除以1/2乘以1/3 =1/2×1/3×2×1/3 =1/9; 0乘以7/12+1/8 =0+1/8 =1/8; 48乘以(7/12+1/3)除...

      回复:

      (1)18乘以(6分之5+9分之7) =18×5/6+18×7/9 =15+14 =29 (2)0.625除以7分之5加5分之7乘以8分之3 =(0.625+3/8)×7/5 =1×7/5 =1.4 (3)4分之1除以4分之7加4分之1乘以7分之3 =1/7+3/28 =1/4

      回复:

      (68-7/18)乘1/17 =68乘1/17-7/18乘1/17=4-7/306=3又299/306 (2/3-5/9乘3/8)除5/16=2/3*16/5-5/9*3/8*16/5=2/3*16/5-2/3=2/3*(16/5-1)=22/15 (2-1/12+1/8)×12 =2×12-1/12×12+1/8×12 =24-1+1.5 =24.5 (4除3/5-5)除2/3 =(4*...

      回复:

      2.4×8.7-4.7×2.4+2.1 =2.4×(8.7-4.7)+2.1 =2.4×4+2.1 =9.6+2.1 =11.7 (14/15-6/15×7)÷28/15 =14/15×15/28-6/15×7×15/28 =1/2-3/2 =-1 10.25-1/6×13-5÷6 =10.25-(13/6+5/6) =10.25-3 =7.25 5/8×(1÷3/5-3/5÷1)+1/3 =5/8×(5/3-3/5)+1/3 =5/8×5/...

      回复:

      15分之6乘以7分之4加1除以5分之16加7分之三乘以15分之6 =6/15×(4/7+1+3/7) =2/5×2 =4/5

      回复:

      15分之6乘以7分之4加1除以5分之16加7分之3乘以15分之6 =15分之6乘以(7分之4 +1+7分之3) =15分之6乘以2 =15分之12 =5分之4

      回复:

      =18分之7×5分之1+18分之一×5分之1 =(18分之7+18分之一)×5分之1 =1×5分之1 =5分之1

      回复:

      化成分数:56/10 x 121/10 x 10/7 x 10/11在进行约分得8 x 11=88

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