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6.2x3.15÷9.3用简便方式

=3.15×(6.2÷9.3) =3.15×2/3 =2.1

15.6-6.5x2.3 0.72怎么简便计算 =15.6+1-0.28-6.5x2-6.5x0.3 =16.6-(0.28+13+1.95) =16.6-15.23 =1.37

(5/6-1/8)÷6/3÷6 =(5/6-1/8)×12 =10-3/2 =10-1.5 =8.5 (0.75-3/16)X(2/9+2/3) =(12/16-3/16)×(2/9+6/9) =9/16×8/9 =8/16 =2分之1 2/17*37÷15/17÷35/37 =2*15/37×37/35 =6/7 =7分之6 (18*11/23+5÷23/11)*60% =(18*11/23+5*11/23)*0.6 =11/2...

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