Question

1.- Realiza las siguientes operaciones combinadas
1) 14:2-12:3+6 - 7
2) 4-2 +9 - 8-6 - 3+7
B) 8 - (9-5 + 11) - 3 - 6–10: (4 + 7-6)
4) (3 + 5) - 4–6: (9–6) + 5 - 4
5) 4 + 7 - 8- 14:2-20 + 12
6) 12 · (3 + 16 - 9) - (27 - 5- 10) : 4
7) 8-7 + 5 - (12: 4 + 3 - 2) – 45
8) 14 – 32:8-10 - (9:3-12 : 6)
9) (1 + 2 + 3+ 4+ 5)- 10 - 10 - (10-9+ 8-7 + 6)
10) (25+49–23)=52–35​

Answer 1

7-4+6-7
3+6-7
9-7
2

2+9-8-6-3+7
11-8-6-3+7
3-6-3+7
-3-3+7
-6+7
1

8-(4+11)-3-6-10:(11-6)
8-15-3-6-10:5
8-15-3-6-2
-7-3-6-2
-10-6-2
-16-2
-18

8-4-6:3+5-4
8-4-2+5-4
4-2+5-4
2+5-4
7-4
3

11-8-7-20+12
3-7-20+12
-4-20+12
-24+12
-12

12x(19-9)-(22-10):4
12x10-12:4
120-3
117

8-7+5-(3+3-2)-45
8-7+5-(6-2)-45
8-7+5-4-45
1+5-4-45
6-4-45
2-45
-43

14-32:8-10-(3-2)
14-4-10-1
10-10-1
0-1
-1

(3+3+4+5)-10-10-(1+8-7+6)
(6+4+5)-10-10-(9-7+6)
(10+5)-10-10-(2+6)
15-10-10-8
5-10-8
-5-8
-13

74-23=17
51=17