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二点吧五除以0.125除以零点八的简便运算

2.85÷0.125÷0.8 =2.85÷(0.125×0.8) =2.85÷0.1 =28.5 因为我们知道125×8=1000,所以看到125和8这几个数字,果断把他们放在一起运算,所以 这一题0.125×0.8就是1000的小数点往前进4位=0.1,再进行运算就简单了,简便运算应该就是酱紫滴, \(^o^)/

3.25除以0.125除以零点八 =3.25÷(0.125×0.8) =3.25÷0.1 =32.5

6.15÷0.125÷0.8 =6.15÷(0.125x0.8) =6.15÷0.1 =61.5

(6.9×0.125×1.75)÷(2.3×8分之1×4分之1) =6.9×8分之1×4分之5÷2.3÷8分之1÷4分之1 =6.9÷2.3×(8分之1÷8分之1)×(4分之5÷4分之1) =3×1×5 =15

七点6×0点125 2点四除以八怎么简便 7.6*0.125+2.4÷8 =7.6*0.125+2.4*0.125 =0.125*(7.6+2.4) =0.125*10 =1.25

0.125=1/8 一又7/8=1+7/8 原式=1+7/8+1/8=1+1=2

2.125除以括号0.25加二点5×0点八简便计算: 2.125÷(0.25+2.5x0.8) =2.125÷(0.25+0.25x8) =2.125÷(0.25x9) =2.125÷0.25÷9 =8.5÷9 =17/18

0.8×(12.5+0.125) =0.8×12.5+0.8×0.125 =10+0.1 =10.1 希望采纳

八点八除以0.125除以八的简便两步算式正确结果 解: 8.8÷0.125÷8 =8.8÷(0.125×8) =8.8÷1 =8.8

2.5*0.125*0.8 =0.25*0.125*8 =0.25*1=0.25

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