A.1980 | B.2000 | C.1580 |
A.(3500+800)×20% | B.(3500-800)×20% | C.3500×20% | D.800×20% |
A.355 |
B.485 |
C.675 |
D.588 |
A.65% | B.25% | C.35% | D.75% |
A.1.8 | B.18 | C.3.6 |
A.25% | B.20% | C.15% |
A.比原价贵 | B.价钱不变 | C.比原价便宜 | D.无法比较 |
A.20% | B.80% | C.25% |
A.144 | B.105 | C.39 |
A.160÷80% | B.160÷(1-80%) | C.160×80% |