Question

8. Aflați valoarea expresiei numerice: a)-3-8+12-4+11; c) 9-2-8+4-21; b) 4-5+11-9-4;c)9-2-8+4-21; e) -16+9+27-11-8. ; d) -16-7+32-21+17; ​

Answer 1

Răspuns:

a)-3-8+12-4+11=-11+8+11=-3+11=8

b)4-5+11-9-4=-1+2-4=1-4=-3

c)9-2-8+4-21=7-12=-5

d)-16-7+32-21+17=-23+11+17=-12+17=9

e)-16+9+27-11-8=-7+16-8=9-8=1 (sper că te-am ajutat)