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MATEMÁTICAS
TIMONMATE
PRIMER CICLO ESO
ENTEROS RESUELTOS
1)
5 + 8 - 2 = 13 - 2 = 11
2)
6 + 4 - 2 = 10 - 2 = 8
3)
5 + 7 - 2 - 8 = 12 - 10 = 2
4)
4 + 3 + 2 - 3-1-1 = 9 - 2 = 7
5)
6 + 2 -1- 2 - 3 = 8-7 = 1
31) -9 ⋅ 3 = -27
6)
4 - 6 = -2
32) -4 ⋅ (-2) = 8
7)
3 - 10 = -7
33) (-1)⋅ (-1)⋅ (-1) = -1
8)
9 - 20 = -11
9)
40 - 90 = -50
28)
3 ⋅ (-6) = -18
29)
5 ⋅ (-10) = -50
30)
3 ⋅ (-3) = -9
34)
2 ⋅ (-1)⋅ (-1) = 2
10) -2 - 5 = -7
35)
5 ⋅ (-3)⋅ 2 = -30
11) -5 - 6 = -11
36) -2 ⋅ 5 ⋅ (-1) = -10
12) -20 - 10 - 15 = -30 - 15 = -45
37)
4 ⋅ 3 - 2 = 12 - 2 = 10
13) -3 - 12 - 4 = -15 - 4 = -19
38)
3 ⋅ 6 - 9 = 18 - 9 = 9
14)
4 + 3 - 6 - 5 = 7 - 11 = -4
39)
13 ⋅ 2 - 30 = 26 - 30 = -4
15)
6 + 3 - 6 - 5 = 3 - 5 = -2
40)
3 ⋅ 5 - 20 = 15 - 20 = -5
16)
2 + 9 - 4 - 10 = 11 - 14 = -3
41)
3 - 5 ⋅ 4 = 3 - 2 0 = -17
17)
7 + 5 - 13 - 6 = 12 - 19 = -7
42)
5 - 9 ⋅ 2 = 5 - 18 = -13
43)
3 - 4 ⋅ (-2) = 3 + 8 = 11
18) -3 + 4 + 1 - 7 - 2 = 2 - 9 = -2
19) -2 + 1 - 5 + 4 - 7 = -6 - 3 = -9
20)
4 - (-5) = 4 + 5 = 9
21)
7 - (-8) = 7 + 8 = 15
22)
6 - (-10) = 6 + 10 = 16
23)
10 + (-7 ) = 10 - 7 = 3
24) -6 - (-5) = -6 + 5 = -1
25) -9 + (-6) = -9 - 6 = -15
26) -10 - (+5) - (-1) = -10 - 5 + 1 =
= -14
27) -4 + (-3) - (-5) = -4 - 3 + 5 =
44) -4 + 3 ⋅ (-3) = -4 - 9 = -13
45)
46) -1 ⋅ éë 3 - 2 ⋅ (-2)ùû = -1 ⋅ (3 + 2) = -1 ⋅ 5 = -5
47)
é 3 + 2 ⋅ (-4)ù ⋅ (-2) = (3 - 8)⋅ (-2) = 8
ë
û
48) -3 ⋅ éë-3 ⋅ (-2) - 2 ùû = -3 ⋅ (6 - 2) =
= -3 ⋅ 4 = -12
49) -3 - éë 2 ⋅ (-2) - 2 - 1ûù = -3 - (-2 - 3) =
= -3 + 5 = 2
50) {-1 + éë-4 ⋅ (-1) - 2 (-1 + 2) - 1ùû } ⋅ (-3) =
= 2 {-1 + [ 4 - 2 - 1]}⋅ (-3) =
= 2 (-1 + 1)⋅ (-3) = 0 ⋅ (-3) = 0
= -7 + 5 = -2
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2·(3 - 2 ⋅ 2) = 2 ⋅ (3 - 4) = 2 ⋅ (-1) = -2
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