两台拖拉机共耕一块地,甲拖拉机耕了1(1/2)公顷,乙拖拉机耕了2(2/3)公顷,两台拖拉机一共耕了多少公顷?3o6i.P/\
1(1/2)+2(2/3)= 4(1/6)(公顷)两台拖拉机一共耕了,x8z6t7^)`'v公顷。3o6i.P/\