2 3 ve 6. Soru lütfen çok acill

Cevap:
2)
2017+1/2018+2018+2017/2018
4035+2018/2018=4035+1=4036 cvp D
3)
1/2+3/5-1/4-1/2+2/5+1/4
=3/5+2/5=5/5=1....cvp B
6)
17/17+21/21+50/25=1+1+2=4...cvp D