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数学题麻烦各位高人解答

A种X,则B种为50-X

数学题麻烦各位高人解答

80X+50(50-X)<=3490 30X+2500<=3490 30X<=990 X<=33

40X+90(50-X)<=2950 40X+4500-90X<=2950 50X>=1550 X>=31

A=31,B=19

A=32,B=18

A=33,B=17

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