1.解:设甲种票x张,那么乙种票(310-x)张,则:10x+(310-x)*6=23404x=2340-1860=480x=120即甲种票120张,那么乙种票(310-x)=310-120=190张2.解:算术方法解。摩托车有:(4*32-108)/(4-3)=20辆汽车有:32-20=12辆