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99.99*22.22+33.33*33.34的简便运算?
人气:285 ℃ 时间:2020-03-15 22:51:23
解答
99.99*22.22+33.33*33.34
=33.33*66.66+33.33*33.34
=33.33*(66.66+33.34)
=33.33*100
=3333
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