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125x198➗(18➗8)的简便运算

125x198➗(18➗8)的简便运算 125x198➗(18➗8) =125x198➗(18/8) =125x198x8/18 =125x8x198/18 =1000x198/18 =1000x11 =11000

解:9000000➗25➗125➗8➗5➗4➗2 =9000000➗(25x125x8x5x4x2) =9000000➗(25x4x5x2x125x8) =9000000➗(100x10x1000) =9

列式为: 125➗(5➗8) =125➗5x8 =125x8➗5 =1000➗5 =200

0.8x0.25x0.4x12.5 4.58➗2.5➗0.4 都简便计算过程具体 0.8x0.25x0.4x12.5 =(0.8*12.5)*(0.25*0.4) =10*0.1 =1 4.58➗2.5➗0.4 =4.58÷(2.5*0.4) =4.58÷1 =4.58

16800➗8➗25简便运算 16800➗8➗25 =16800÷(8*25) =16800÷200 =84

926➗125用简便方法算 926➗125 =(1000-74)➗125 =1000➗125-74➗125 =8-0.592 =7.408

1000➗(125➗16)简便是 1000➗(125➗16) =1000÷125*16 =8*16 =128

12.6x7.6x2.32➗1.9➗1.4➗2.9如何用简便计算? 12.6x7.6x2.32➗1.9➗1.4➗2.9 =(12.6÷4)*(7.6÷1.9)*(2.32÷2.9) =3.15*4*0.8 =10.08

12.5➗(50➗8)简便方法 12.5➗(50➗8) =12.5*8÷50 =100÷50 =2。

720➗18➗4的简便运算 720➗(18X4) =720➗72 =10

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