Question

o valor de 3-¹+5-¹ /2- ¹ é :
a=1/2
b=1/8
c=4/15
d=16/15

Answer 1

3-1+5-1/2-1=2/1

3-1=2+5-1/2-1
7-1=6/2-1
3-1
2/1.