Question

24
23 Efetue:
5 7
a)
+
6 2
5 8
94
0-11
b) 2 5 +
4 1
11 17
O 2
-34
c) (1
1 5 0 4)-(6 6 87)
1 1
1
d) 2 3 4
L-1 -2 - 5
0 1 2
1 1 3
-3 -
2-7
+
4 - 1 1
0 3 - 2
-2.
2 1 3​

Answer 1

Resposta:

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