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简算题8(5/8+1/27)+19/27谢谢
人气:367 ℃ 时间:2020-02-15 13:06:28
解答
8(5/8+1/27)+19/27
=8×5/8+8×1/27+19/27
=5+(8/27+19/27)
=5+1
=6
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