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Darianluciu
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4. a) 17 – 5] + 19 + 21 – 291 – 8;
b) -1-13 - 2 + 12 - 7 + -101;
d) (-17 + 5) + 12-14 +-34 - 34.

vă rog repede​

Răspuns :

Balex3427

Răspuns:

a) (17-5)+19+21-291-8=231

12+19+21-291-8

31+21-291-8

52-291-8

291-52-8

239-8

231

b) 1-13-2+12-7+101=116

13-1-2+12-7+101

12-2+12-7+101

10+12-7+101

22-7+101

15+101

116

c) (17+5)+12-14+34-34

22+12-14+34-34

34-14+34-34

20+34-34

54-34

20
a) 12+19+21-291-8= 52-291-8 = -239-8 = -247
b) -16+5-101= -11-101= -112
c) -12+12-14-34-34 = -14-34-34 = -82

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