Tolong bantu terimakasih.

A. 1,33
b. 1
c. 1
d. 0,1
e. 0,5
f. 4,5

A). 1/2 + 1/3 + 1/2 = 4/3
b). 3/4 – 1/4 +1/2 = 4/4 = 1
c). 1/3 – 1/3 + 1/3 = 1/3
d). 1/5 – 1/2 -1/2 = -8/10 = -4/5
e). 1/3 – 1/6 + 1/3 = -1/6