463. Найдите значения сумм:
5
9
17
2) 1
4
+ 6
15
676 +8
:
35
11
7
4
11
1) 4+ 2; +5
3) 8 18+ 12
5) 5
+ 1260
3
40
7
+ 6
:
80
15
20
4) 520 + 20
7 11
43
6) 319 + 427 + 35
54
2
9
+ 19
10
+ 4
33
3
50
464. Выполните сложение:
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