457. Найдите значения сумм:
5
1) 2 + 2
+ 212;
2) 9
+7
5
+ 7
1
3
3) 5 + 8
10
2
4) 6
15
18
+ 42
25
3
5) 5
18
+ 18
3
6) 9 +7
20
15
11
7) 2 19 + 552
21
8) 38
26
34
+ 14
+36
9) 612
15
16
44
66
39
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