(1)设该班胜x场,则该班负(10-x)场.依题意得3x-(10-x)=14解之得x=6(3分)所以该班胜6场,负4场;(2)设甲班胜了x场,乙班胜了y场,依题意有:3x-(10-x)=3[3y-(10-y)],化简,得3y=x+5,即y= x+5 3 .由于x,y是非负整数,且0≤x≤5,x>y,∴x=4,y=3.所以甲班胜4场,乙班胜3场.答:(1)该班胜6场,负4场.(2)甲班胜4场,乙班胜3场.