Question

Resolva (-19).(-20)

Resolva (-25).(+12)

Calcule (+100) / (-20

Resolva (-24) (+7) / (+4)

Calcule (+25) / (+5)

Alguém???????????​

Answer 1

(-19).(-20) = 380

(-25).12 = -300

100 / (-20) = -5

(-24) . 7 / 4 = (-24) . 7 = -168/ 4 = -42

25 / 5 = 5