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0.2x0.6x0.5x4简便计算

0.2x0.6x0.5x4(简算)回答:0.2x0.6x0.5x4 =(0.2x0.6)x(0.5x4) =0.12x2 =0.24

0.2×0.6×0.5×4简便运算6×0.5×4 =(0.2x0.5)x(0.6x4)=0.1x2.4 =0.24 ,你好,本题已解答,如果满意 请点右下角“采纳答案”。

0、2xO、6÷0、5x4你好,0.2=2/10 0.6=6/10 0.5=5/10 所以等式可以化为2/10*6/10除以5/10*4=12/100*10/5*4=12/50*4

0.6x2.5x0.5x4用简便方法计算怎么做?原式 =(0.6x0.5)x(2.5x4)=0.3x10 =3 供参考。

0.25x5.06x4怎么简便计算0.25x5.06x4 =0.25×4×5.06 =1×5.06 =5.06

25.2x0.6 +252x4的简便运算?25.2×0.6+252×4 =25.2×0.6+25.2×40 =(0.6+40)×25.2 =40.6×25.2 =1023.12

简便计算:2.5X4÷2.5x0.42.5X4÷2.5x0.4 =4×0.4=1.6

解方程:(1)5x239x+6x4;(2)用配方法解方程:x2-6x+5解答:解:(1)原式=5x 23×3x+6×x2=5x 2x+3x=6x.(2)∵x2-6x=-5x2-6x+9=-5+

25.25x0.65x4除以0.65的简便方法怎么算25.25*0.65*4/0.65=(25.25*4)*(0.65/0.65)=101*1=101

6.28X0.25X4怎么做简便计算?这个题目先算0.25×4等于1。然后再用6.28×1 答案是6.28。

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