Question

calcule as operações:
a)1/2+1/3=
b)3/2dividido4=
c)(-1/7)*(+3/2)
d)5/4+1/2
e)(4/3)*(-3/2)dividido(3/2)

Answer 1

a)1/2+1/3=
3+2/6=
5/6

b)3/2:4=
3/2.1/4=
3/8

c)(-1/7).(3/2)=
-3/14

d)5/4+1/2=
5+2/4=
7/4

e)(4/3).(-3/2):(3/2)=
-12/6:3/2=
-12/6.2/3=
-24/18=
-12/9=
-4/3

Answer 2

Boa tarde Celiafernandes

a) 

1/2 + 1/3 = 3*1/3*2 + 2*1/2*3 = 3/6 + 2/6 = 5/6 

b)

(3/2)/4 = (3/2)*(1/4) = 3/8 

c) 

(-1/7)*(3/2) = -3/14 

d)

5/4 + 1/2 = 5/4 + 2/4 = 7/4 

e) 

(4/3)*(-3/2)/(3/2) = -(4/3)*(3/2)*)(2/3) = -4/3 

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