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[组合] 统筹规划。一题。小学奥数

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Tesla35 Posted 2015-7-14 19:48 |Read mode
第二题
QQ图片20150515194725.jpg

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其妙 Posted 2015-7-15 15:16
一道头疼的小学数学题:

妈妈的年龄比孩子大21岁,六年后妈妈的年龄是孩子的5倍,求孩子的爸爸现在在哪?

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kuing Posted 2015-7-15 15:21
回复 2# 其妙

群里都扯过了啊,别水了,这个应该发到吹水区

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其妙 Posted 2015-7-17 20:37
回复  其妙

群里都扯过了啊,别水了,这个应该发到吹水区
kuing 发表于 2015-7-15 15:21
的确没人做这道令人头疼的小学数学题

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tommywong Posted 2015-7-19 19:31
拎鎬先

model:
min=@smax(3*a1+a2,5*b1+2*b2,4*c1+3*c2);
a1+b1+c1>40;
a2+b2+c2>20;
@gin(a1);@gin(a2);
@gin(b1);@gin(b2);
@gin(c1);@gin(c2);
end

min T=60
a1=13
a2=20
b1=12
b2=0
c1=15
c2=0

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战巡 Posted 2015-7-19 23:48
楼上应该是把20和40搞反了
42.jpg

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其妙 Posted 2015-7-25 10:27
回复 6# 战巡

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