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0.89×0.25+0.11÷4 简便计算
人气:369 ℃ 时间:2020-04-01 20:50:53
解答
0.89×0.25+0.11÷4
=0.89×0.25+0.11×0.25
=(0.89+0.11)×0.25
=1×0.25
=0.25
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