Question

Adição Algébrica

a) -10 -6 +3
b) +8 -7 +9 -5
c) -4 -3 -2 +1 +2 +3
d) +8 -17 +5 -14 -20

Answer 1

a) -10 -6 +3 = -16+3 = -13
b) +8 -7 +9 -5 = 17 - 12= 5
c) -4 -3 -2 +1 +2 +3 = -9 +6=-3
d) +8 -17 +5 -14 -20 = -51+13 = -38