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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

8.1/(0.9x0.3) =8.1/0.27 =810/27 =30 如有帮助请采纳, 如对本题有疑问可追问,Good luck!

74000÷(125×37) =(74÷37)×(1000÷125) =2×8 =16。

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

()+()=8++()+()=6||||138设:x+y=8,z+w=6,x+z=13,y+w=8则:x+y=8(1)x+z=13(2)z+w=6(3)y+w=8(4)(4)-(3):y-z=2(5)(1)-(2):y-z=-5(6)(5)(6)矛盾因此原方程组无解

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

720➗18➗4的简便运算 720➗(18X4) =720➗72 =10

=125➗(5x5) =125➗25 =5

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

[(125.6➗兀)➗2]X[(125.6➗兀)➗2]✖兀

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