Question

Решите (2 1/2*4 5/4)/(9 2/3*3 2/3)

Answer 1

21/2=10.5 
10.5 * 45=472.5
472.5 / 4=118.125
92/3=30,6
30.6 * 3 = 92
92/2=46
46/3= 15.3
118.125/15.3=7.7