3 1/4 – 1 1/2 + 2 3/4 hasilnya

3 1/4 – 1 1/2 + 2 3/4
=13/4 – 3/2 + 11/4
=26/8 – 12/8 + 22/8
=36/8
=9/2
=4 1/2
=4,5

3 1/4 – 1 1/2 + 2 3/4 =
13/4 – 3/2 + 11/4 =
13/4 – 6/4 + 11/4 =
7/4 + 11/4 =
18/4

Semoga membantu
tolong kasih poin yaa..