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脱式计算,能简算的要简算.99×0.625+0.625 ...

(1)99×0.625+0.625,=(99+1)×0.625,=100×0.625,=62.5;(2)(53.76-17.49)÷1.8,=36.27÷1.8,=20.15;(3)(0.8×7+4.56÷1.9)×12.5,=(5.6+2.4)×12.5,=8×12.5,=100;(4)15.73-(2.17+0.73)-1.83,=15.73-2.17-0.73-1.83,=(15...

0.625×5.8+5/8×3.2+62.5% =0.625x5.8+0.625x3.2+0.625 =0.625x(5.8+3.2+1) =0.625x10 =62.5; 2017×2015/2016 =(2016+1)x2015/216 =2016x2015/2016+1x2015/2016 =2015+2015/2016 =2015又2015/2016; (1/2+1/3+1/6)x24 =1/2x24+1/3x24+1/6x24 =1...

4.3×0.625+3.75×0.43 =0.43×6.25+3.75×0.43 =0.43×(6.25+3.75) =0.43×10 =4.3

(1)99×0.625+0.625,=(99+1)×0.625,=100×0.625,=62.5;(2)(53.76-17.49)÷1.8,=36.27÷1.8,=20.15;(3)(0.8×7+4.56÷1.9)×12.5,=(5.6+2.4)×12.5,=8×12.5,=100;(4)15.73-(2.17+0.73)-1.83,=15.73-2.17-0.73-1.83,=(15....

6.25*0.23+17.7*0.625 =6.25*0.23+1.77*6.25 =6.25*(0.23+1.77) =6.25*2 =12.5

408-12×24 = 408 - 288 = 120 (46+28)×60 = 74 x 60 = 4440 42×50-17 = 2100- 17 = 2083 32+105÷5 = 32 + 21 = 53 420×(327-238) = 420 x 89 = 37380 (4121+2389)÷7 = 6510 ÷7 = 930 3.416÷(0.016×35) = 3.416 ÷0.56 = 6.1 0.8×[(10...

脱式计算 4乘8分之5加62.5%乘7减0.625 =4x0.625+0.625x7-0.625 =(4+7-1)x0.625 =10x0.625 =6.25

3,2÷o,8÷1,25=3,

12×23= 13×26=

4×5/8+62.5%×7-0.625 =0.625×(4+7-1) =0.625×10 =6.25 请点采纳谢谢

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