tinh
43+17 96-27
25+68 876-123
35+39 765+12
tinh
43+17 96-27
25+68 876-123
35+39 765+12
`43+17=60`
`96-27=69`
`25+68=93`
`876-123=753`
`35+39=74`
`765+12=777`
Đáp án:
43+17=60
25+68=93
35+39=74
96-27=69
876-123=753
765+12=777