Question

Calculati valoarea absoluta a numerelor:
a=-1+3-5+7-9=11 si b=-5-[-8+(-4)]-(-7)

Answer 1

a=2-5+7-9+11
a=-3+7-9+11
a=4-9+11
a=-5+11
a=6

b=-5-(-8-4)-(-7)
b=-5-(-12)-(-7)
b=-5+12+7
b=7+7
b=14