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0.25X2.33X8用简便方法计算

0.25x2.33x8 =(0.25x8)x2.33 = 4x2.33 =9.32

0.5*2.33*8=(0.5*8)*2.33=4*2.33=9.32

0.5×2.33x8 =0.5×8×2.33 =4×2.33 =9.32

27/25 1/21 4 7/50 5/9 27/160 2.1.38×1/6=23/100(万立方米)

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