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用简便方法计算2.37x0.5x0.04x5

2.37×5.3+2.37×37+2.37 =2.37×(5.3+37+1) =2.37×43.3 =102.621 你好,本题已解答,如果满意 请点右下角“采纳答案”。

7.63×5.4+2.37×5.4-12.5×5.35×0.8 =(7.63+2.37)×5.4-(12.5×0.8)×5.35 =10×5.4-10×5.35 =10×(5.4-5.35) =10×0.05 =0.5

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