hasil 3 1/4 x 9/10 : 0,8

3 1/4 = 13/4
0,8 = 8/10

= 13/4 × 9/10 : 8/10
= 117/40 : 8/10
= 117/40 × 10/8
= 1170/320
= 3 210/320
= 3 21/32

jadikan jawaban terbaik

semoga membantu

3 1/4 × 9/10 : 0,8
13/4 × 9/10 : 8/10
13/4 × 9/10 × 10/8
117/32 = 3 21/32