Question

efetue as multiplicações:

a) (+5).(+3)=

b) (+ 4).(- 50)=

d) (-7).( -7)=

e) (- 2) . (+ 4). ( +3) . (- 10)=

f) (- 25) . (- 6). (- 2 )=

h) (-4 ) . 5 . (- 7) =

i) ( - 100) . 0=

Answer 1

Resposta:

a-15

b_-200

Explicação passo-a-passo:

https://lh4.googleusercontent.com/8j7u8Iue1edZ0pVU5ffHqFT_1jCZMXx1N3kPo5Vvkj-QmV3PA7H0F0nD2Vb5D_l5l7c2Hjbfrt5VqY7UzExPQ-oEPZIBJXndISPvowx4gJZDkPmr8q3xAsQM4J-MWrj3Wg=w500