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159乘以535353分子353535减去105乘以104分子103得到多少要过程
人气:203 ℃ 时间:2019-10-26 16:04:47
解答
159×353535/535353-105×103/104
=159×35/53-105×103/104
=105×﹙1-103/104﹚
=105×1/104
=105/104
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