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0.5×2.33x8的简便方法标种答案

0.5×2.33x8 =0.5×8×2.33 =4×2.33 =9.32

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

0.5×2=1

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

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