A:2 2 +4 3 =6 5
B:3 2 ﹣2 2 =1
C:24 ÷ 6 =4
D:2 × 3 = 6
已知两圆的半径分别为2和4,圆心距为6,则两圆的位置关系是( )
Bob knows how to cut the cost of the project. I'm sure he can do the work with _____ money and ______people.