1) 10= 3+7
12 = 5+7
18 = 11+ 7
24 = 17+ 7
30 = 17+13
42 = 31+11
68=61+7
2)22 =11×2
35=7×5
77=7×11
65=5×13
69=3×23
95=19×5
Ответ:1) 5+5, 6+6, 9+9, 12+12, 15+15, 21+21, 34+34
2)11•2, 5•7, 7•11, 5•13 ,23•3, 19•5
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Answers & Comments
1) 10= 3+7
12 = 5+7
18 = 11+ 7
24 = 17+ 7
30 = 17+13
42 = 31+11
68=61+7
2)22 =11×2
35=7×5
77=7×11
65=5×13
69=3×23
95=19×5
Ответ:1) 5+5, 6+6, 9+9, 12+12, 15+15, 21+21, 34+34
2)11•2, 5•7, 7•11, 5•13 ,23•3, 19•5