Enter a different digit from 1 to 9 into each of the
boxes so that each of the four equations reading across is true. All
calculations are done from left to right and involve only positive
integers.


게시글 목록
| 번호 | 제목 |
|---|---|
| 1987 | |
| 1986 | |
| 1985 | |
| 1984 | |
| 1983 | |
| 1982 | |
| 1981 | |
| 1980 | |
| 1979 | |
| 2064 | |
| 1968 | |
| 2065 | |
| 1967 | |
| 1971 | |
| 1963 | |
| 1932 | |
| 1880 | |
| 1877 | |
| 1871 | |
| 1885 | |
| 1870 | |
| 1876 | |
| 1869 | |
| 1873 | |
| 1868 | |
| 1887 | |
| 1948 | |
| 1867 | |
| 1866 | |
| 1865 |
댓글 작성
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