tolong di jawab secepatnya

52. 12:3 2/3= 12:11/3
=12x3/11
=36/11
= 3 3/11
53. 3 1/7:11:7/8 = 22/7 : 11 : 7/8
= 22/7 x 1/11 x 8/7 = 16/49
Semoga membantu

maaf ya kalo salah semoga bermanfaat