Question

Calcule:

a) – 500 – 600 = ________ f) – 89 – 45 = _____________

b) +890 +78 = __________ g) + 45+ 31 = ____________

c) – 66+ 70 = __________ h) – 90 + 90 = ___________

d) – 23 – 60 = __________ i) – 88 + 66 = ___________

e) +700– 900 = _________ j) +4 + 8 + 9 = ___________​

Answer 1

Perae ja respondo, blz???