Odpowiedź:
1.
(-2)+(-2)+(-2)+(-2)+(-2)= -10
(-7)+(-7)+(-7) = -21
(-5)+(-5)+(-5)+(-5)= -20
(-10)+(-10)+(-10)+(-10)+(-10)+(-10)+(-10)+(-10)= -80
2.
a)
-28
-24
- 63
- 30
b)
-45
- 24
- 40
- 56
4.
40
27
-27
c)
77
-77
Szczegółowe wyjaśnienie:
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Odpowiedź:
1.
(-2)+(-2)+(-2)+(-2)+(-2)= -10
(-7)+(-7)+(-7) = -21
(-5)+(-5)+(-5)+(-5)= -20
(-10)+(-10)+(-10)+(-10)+(-10)+(-10)+(-10)+(-10)= -80
2.
a)
-28
-24
- 63
- 30
b)
-45
- 24
- 40
- 56
4.
a)
40
- 40
40
- 40
b)
27
27
-27
-27
c)
77
-77
-77
77
Szczegółowe wyjaśnienie: