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(1.375×0.25+2.625×0.25)÷25简便运算
人气:439 ℃ 时间:2020-03-29 03:46:28
解答
(1.375×0.25+2.625×0.25)÷25
=(1.375+2.625)x0.25÷25
=4x0.01
=0.04
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