A.577+544 | B.1000﹣235 | C.455﹣423 |
A.![]() | B.![]() |
A.355+437 | B.792-355 | C.437-355 | D.792-437 |
A.459+790 | B.790-459 | C.790+459 | D.以上各项都不对 |
A.301 | B.133 ![]() | C.233 |
A.6×5 | B.6×4 ![]() | C.6×4+5 |
A.24 | B.14 | C.16 |
A.900 | B.90000 | C.9000 |
A.3600 ![]() | B.4000 | C.4100 |
A.598 | B.818 | C.905 |