Resposta :
Resposta:
a) 710+23−85+12= 660
b) 32−110−27−45= -150
c) 75−119+16−310= -338
d) 85+76−103−78= -20
e) 116−512+815−720= -301
Resposta:
a) 710+23−85+12= 660
b) 32−110−27−45= -150
c) 75−119+16−310= -338
d) 85+76−103−78= -20
e) 116−512+815−720= -301