Question

Efetue as operações ​

Answer 1

Resposta:

a)-3+8=+5

b)-16+42=. + 26

c)-35-15= -50

d)17-26= -.9

e)-10+(-12)= -22

f)31+18= +49

g)6.(-13)= - 78

h)-8. (-8)= +64

i) 6/7+8/7= 14/7= 2

j)5/3+7/3=12/3= 4

Explicação passo-a-passo:

k)9/2+1/4= 18/4 +1/4= 19/4

l)7/10+3/5=7/10+6/10=13/10

m)5/12-3/8=10/24-9/24= 1/24

n)8/3÷3/2=8/3×2/3=16/9

o)12/7÷14/3= 12/7×3/14=36/98=18/49