请帮忙做一道初一数学方程应用题
有212块长为20厘米,宽10厘米的长方形铁片和88块边长10厘米的正方形铁片,将它们焊成长、宽、高分别20厘米、10厘米、10厘米的无盖的A型长方体盒子和长、宽、高分别为10厘米、10厘米、20厘米的无盖的B型长方体盒子.怎样安排能使原料恰好用完?
人气：478 ℃ 时间：2020-05-20 03:42:54
解答
A型用3个长方形铁片,2个正方形铁片
B型用4个长方形铁片,1个正方形铁片
设A型做x个,B型做y个
有3x+4y=212
2x+ y=88
解得：x=28,y=32
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