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Aq7y5go
Rozwiązane

prosze o opowiedz ciebie parasparas:)

g) –2 + 7 + (–5)
h) –10 + (–3) + 6
i) –5 + 4 + (–1)
j) –8 + (–3) + (–5)
k) –7 + 7 + (–7)
l) 2 + (–9) + 1 + (–2)

Odpowiedź :

Obliczenia :

-2 + 7 + (-5) = 5 - 5 = 0

-10 + (-3) + 6 = -13 + 6 = -7

-5 + 4 + (-1) = -1 - 1 = -2

-8 + (-3) + (-5) = -(8 + 3 + 5) = -16

-7 + 7 + (-7) = 0 - 7 = -7

2 + (-9) + 1 + (-2) = 3 + (-11) = 3 - 11 = -8

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