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1.28*560+44*12.8 從圖中,我們可以得知12.8是1.28的十倍 那麼轉換: =12.8*56+44*12.8 =(56+44)*12.8 =128 第二題 2.5*3.2*1.25 =2.5*4*(0.8*1.25) =10
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