1.设有X只猎手,(360-X)只猎狗.2.设有X只猎狗,(360-X)只猎手
2X+4(360-X)=890 4X+2(360-X)=890
2X+1440-4X=890 4X+720-2X=890
2X-4X=890-1440 4X-2X=890-720
-2X=-550 2X=170
2X=550 X=85
X=275 猎手:360-85=275(只)
猎狗:360-275=85(只)
1.设有X只猎手,(360-X)只猎狗.2.设有X只猎狗,(360-X)只猎手
2X+4(360-X)=890 4X+2(360-X)=890
2X+1440-4X=890 4X+720-2X=890
2X-4X=890-1440 4X-2X=890-720
-2X=-550 2X=170
2X=550 X=85
X=275 猎手:360-85=275(只)
猎狗:360-275=85(只)