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34.5×9.23-34.5+1.77×34.5.
人气:222 ℃ 时间:2019-09-23 14:58:10
解答
34.5×9.23-34.5+1.77×34.5,
=34.5×(9.23-1+1.77),
=34.5×10,
=345.
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