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125x15x18脱式计算

125x15x18脱式计算 125x15x18 =125*15*10+125*15*8 =18750+15000 =33750

125×15×4 =(25×5)×15×4 =(25×4)×(5×15) =100×75 =7500

88x125 =(11X8)X125 =11X(8X125) =11X1000 =11000 希望对你有帮助,满意请及时采纳, 你的采纳是我回答的动力!

(3500―25x125)÷25=( )脱式计算 (3500―25x125)÷25 =3500÷25-25×125÷25 =35×(100÷25)-25÷25×125 =35×4-125 =140-125 =15

125X81一125用简便运算用脱式计算 =125x(81-1) =125x80 =10000

125x30x24 =125x30x(8*3) =125*8*3*30 =1000*90 =90000

125x56 =125×8×7 =1000×7 =7000

15×125×8×4 =(15x4)x(125x8) =60x1000 =60000

把9.1化成8乘以0.8

42×125×8×5 =(42x5)x(125x8) =210x1000 =210000 23×5×2 =23x(5x2) =23x10 =230 25×9×4 =(25x4)x9 =100x9 =900 15×162×2 =(15x2)x162 =30x162 =4860 (250×125)×(4×8) =(250x4)x(125x8) =1000x1000 =1000000 供参考。

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