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(99乘99+99)除以0.99简便运算
人气:319 ℃ 时间:2019-12-27 15:59:32
解答
(99乘99+99)除以0.99
=[99x(99+1)]除以0.99
=[99x100]除以0.99
=99除以0.99x100
=100x100
=10000
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