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2-(-3)-6+(-7)+8-14-(-20)

Răspuns :

2+3-6-7+8-14+20=6. acesta e raspunsu
2+3-6-7+8-14+20= 5-6-7+8-14+20 = -1-7+8-14+20 = -8+8-14+20 = 6 rezultat final