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能简算的要简算(0.87×65%+0.13×65%)÷10%
人气:466 ℃ 时间:2020-04-16 18:13:59
解答
(0.87×65%+0.13×65%)÷10%
=(0.87+0.13)*65%/10%
=1*0.65/0.1
=6.5
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