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Constantinescuangelo
a fost răspuns

a) -12-8+7 b)9-16-3 c)-17-(-17) d)-7-15-21 e)16-14+8 f)-9-7+11​

Răspuns :

a) -12-8+7 =
= -20 + 7 =
= -13


b) 9-16-3 =
= -7 -3 =
= -10

c) -17-(-17) =
= -17+17 =
= 0

d) -7-15-21 =
= -22-21 =
= -43

e) 16-14+8 =
= 2+8 =
= 10

f) -9-7+11 =
= -16+11 =
= -5

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