学校新进一批教学设备,由若干个小箱组成,让某班同学去搬运,若每人8箱,还余16箱,若每人9箱,还缺少12箱.问这批设备共有几箱?这个班有多少名同学?
人气:322 ℃ 时间:2020-05-16 07:52:53
解答
8x+16=9x-12
x=28(人)
设备=26*8+16=224
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