Question

calcule as somas algebricas

a) +4+7-23+15-60=


b) -12+5+9+11-20-10=


c) -3,8+5,7+2,5-9,1=


d)+1,25+2,73-10,19+9,27=


​

Answer 1

Resposta:

a) 4+7-23+15-60=

26-83=

-57

b) -12+5+9+11-20-10=

-42+25=

-17

c) -3,8+5,7+2,5-9,1=

-12,9+8,2=

-4,7

d) 1,25+2,73-10,19+9,27=

13,25-10,19=

3,06