Question

calculati:
3/14 - 17/196=
9/16-1/24=
5/32-5/48=
11/18-5/24-1/72=
5 din1/3-3din1/7=
9-8din5/9=
21din3/11-4din3/22-5din7/66=
2^0/2^2*3- 3^0/3^2*2=

Answer 1

2/14-17/196=42/196-17/196=(42-14)/196=28/196=14/98=7/49=1/7

9/16-1/24=27/48-2/48=25/48

5/32-5/48=15/96-10/96=5/96

11/18-5/24-1/72=44/72-15/72-1/72=28/72=7/18

5 intregi 1/3-3 intregi1/7=16/3-22/7=112/21-66/21=46/21

9-8intregi1/9=81/9-73/9=8/9

21 din3/11-4din/3/22-5din7/66=234/11-91/22-337/66=1404/66-273/66-337/66=794/66=397/33

2 la puterea 0/2la puterea 2*3-3 puterea 0/3 la puterea2*2=1/2la puterea 6-1/3la puterea 4=1/64-1/81=