Question

30-calcule

a)1/2+3/7

b) -2/3+4/9

c)5/3+ (-1/2)

d) -1/3+(-1)

Answer 1

Eu ia responder mais né

Answer 2

A) 1/2+3/7= 7/14+6/14=13/14(aplicando MMC
B)-2/3+4/9=-6/9+4/9= -2/9
C)5/3+-(1/2)=10/6-3/6=7/6 ou 1 1/6
D)-1/3+(-1)=-1/3-3/3= -4/3 ou -1 1/3