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用简便方法计算8 0.4x2.5

用简便方法计算8.42.58.4*2.5 =2.1*4*2.5 =2.1*10 =21

0.4×8.7×2.5简便运算?0.4×8.7×2.5简便运算∶ 0.4x8.7x2.5 =0.4x2.5x8.7 =1x8.7 =8.7

简便运算0.4x2.5x0.8回答:0.4x2.5x0.8=1*0.8=0.8

8.8x2.5用简便方法'怎样写..式子63×8+93×63-63 怎么用简便方法计算 (要有过程) 2.5*2.4跟0.35*9.8 这两个式子用简便方法怎么

12.5x0.4x2.5x8的简便方法解由12.5x0.4x2.5x8=12.5x8x0.4x2.5=(12.5x8)x(0.4x2.5)=10×1=10

0.8×0.25×0.4×12.5的简便运算怎么写0.8×0.25×0.4×12.5的简便运算写法如下: 8x0.25x0.4x12.5 =(8x12.5) x (0.4x0.25) =100x0.1 =

简便算法8×0.4×12.5×2.5怎样算?用0.4*2.5 再用8*12.5 这样都是整数,好算点。

125x(8十0.4)x2.5简便计算125x(8十0.4)x2.5 =(125x8十125x 0.4)x2.5 =(1000+ 125x 0.4)x2.5 =1000 x2.5 + 125x 0.4x2.5 =

(4十0.8)X2.5用间便方法怎么算?回答:简便计算 (4十0.8)X2.5 =4.8x2.5 =1.2x4x2.5 =1.2x(4x2.5) =1.2x10 =12

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