Question

a) – 7 • 9 =

b) + 8 • (–5)=

c) + 9 • 7 =

d) – 15 • (- 20) =

e) 10 • (– 12) =
f) (+16) ÷ (+2) =

g) ) – 10 ÷ (– 5) =

h) – 8 ÷ ( +4) =

i) 100 ÷ (–25) =

j) + 18 ÷ (–3) =​

Answer 1

Resposta:

– 7 • 9 = -63

b) + 8 • (–5)= -40

c) + 9 • 7 = 63

d) – 15 • (- 20) = 300

e) 10 • (– 12) = -120

f) (+16) ÷ (+2) = 8

g) ) – 10 ÷ (– 5) = 2

h) – 8 ÷ ( +4) = -2

i) 100 ÷ (–25) = -4

j) + 18 ÷ (–3) =-6