(60:2 и 5×6)
(80:4 и 5×4)
(40:20 и 60:30)
(20×2 и 8×5)
(100:10 и 2×5)
1) 9,10,11,12,13,14,15,16,17.
2)8,9,10,11,12,13,14,15,16.
3)7,8,9,10,11,12,13,14,15.
4)6,7,8,9,10,11,12,13,14
5)5,6,7,8,9,10,11,12,13.
6)4,5,6,7,8,9,10,11,12.
7)3,4,5,6,7,8,9,10,11.
8)2,3,4,5,6,7,8,9,10.
9)1,2,3,4,5,6,7,8,9.
На рисунке решение......................................................................