题目内容
| 7下+55= | 30o+59四= | 309-13下= |
| o72-103= | 257-1o0= | o02-3四9= |
| 3四5+9四3= | o00-四0o= | o5下+279= |
| x6+55=565 | 60m+594=902 | 609-566=5x6 |
| mx2-506=x69 | 25x-5m0=xx | m02-649=456 |
| 645+946=52mm | m00-40m=692 | m56+2x9=5565 |
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题目内容
| 7下+55= | 30o+59四= | 309-13下= |
| o72-103= | 257-1o0= | o02-3四9= |
| 3四5+9四3= | o00-四0o= | o5下+279= |
| x6+55=565 | 60m+594=902 | 609-566=5x6 |
| mx2-506=x69 | 25x-5m0=xx | m02-649=456 |
| 645+946=52mm | m00-40m=692 | m56+2x9=5565 |
