Question

Calcule e simplifique o r sultado se possível:

A) 1/3+1/9+4/3=


B) 1/10+7/10-3/10=


C) 7/15+3/15-1/10=


D) 7/8-2/8-1/8=


Preciso urgente, por favor!

Answer 1

a= 6/ 15
b= 8/20 -3/10 = 5/10 ÷ 5=1/5
c= 10/30-1/10= 9/20
d= 5/0 -1/8= 4/-8 ÷2 =2/-4 ÷2= 1/-2