單項(xiàng)選擇題
A.3% B.5% C.10% D.12%
A.1/5 B.1/4 C.1/2 D.1/6
A.5 B.10 C.15 D.20
A.2 B.3 C.4 D.5
A.1000B.1100C.1200D.1300
A.60 B.65 C.70 D.75
A.3 B.4 C.5 D.6
A.20 B.25 C.30 D.35