A.333+377 | B.900-258 | C.800-89 |
A.3600 ![]() | B.4000 | C.4100 |
A.152 | B.172 | C.162 |
A.232+560和900-692![]() | B.341+89和491-61 |
C.574-197和670-290![]() | D.586-209和685-417 |
A.424 ![]() | B.434 ![]() | C.334 |
A.900 | B.90 | C.99 |
A.600 | B.700 | C.800 |
A.1 | B.1099 | C.899 |
A.109 | B.199 | C.299 |
A.肯定不够 | B.肯定够了 | C.不能确定 |