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除以怎么简算
人气:201 ℃ 时间:2020-06-19 21:58:10
解答
1150除以25
=(1000+150)除以25
=1000除以25+150除以25
=40+6
=46
5436÷18
=(5400+36)÷18
=5400÷18+36÷18
=300+2
=302
312除以24
=312除以6再除以4
=52/4
=13
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