Question

calcule:

a)10+8,5=___________

b)20-5/4=___________

c)-4,5.(-1,3)=__________

d)14,4:1,2=____________

e)20,84+1/2=___________

f)3/4+1/5-1/4=___________

g)1/8.2/5=______________

h)8:-3/7=______________​

Answer 1

Resposta:

Explicação passo-a-passo:

a)10+8,5= 18,5  

b)20-5/4=  18,75

c)-4,5.(-1,3)= 5,85

d)14,4:1,2= 12

e)20,84+1/2= 21,34

f)3/4+1/5-1/4= 0,7  

g)1/8.2/5= 0,05

h)8:-3/7= -0,38