1) 7a + 7b, если a + b = 14
2) m • 17 + n • 17, если m + n = 1000
3) k • 9 + 9 • l, если k + l = 12
2) m • 17 + n • 17, если m + n = 1000
3) k • 9 + 9 • l, если k + l = 12
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2)500·17+500·17
3)6·9+9·6