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Math program problem of grade one in junior high school
Let's rent X B car and Y C car.

(1) Rent 1 A car, which is 50+30x+ 10y= 150.

Its positive integer solution is,,;

(2) When renting two A-type cars,100+30x+10y =150,

Its positive integer solution is.

To sum up, * * * has four schemes.

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