Ka tolong diisi ya yg no 1 aja makasih

3 3/4 = 15/4 x 2/3 =30/12.
=30/12 : 0,5
=30/12 :5/10
=30/12 × 10/5 = 300/60
=5.

Cara :
3 3/4 × 2/3 = 15/4 × 2/3 = 5/2 atau 2 1/2
2 1/2 = 2,5 : 0,5 = 5
*Semoga membantu kakak:)*