Question

вычислите. 3/4*5/7 4/5:3/7 4/11*3/4 15/8:5/4 5/7*14/19 4/9:2 (3/5)2 6:3/5

Answer 1

3/4*5/7=15/28
4/5:3/7=4/5*7/3=28/15=1 13/15
4/11*3/4=3/11
15/8*5/4=15/8*4/5=3/2=1 1/2
5/7*14/19=20/19=1 1/19
4/9:2=4/18
6:3/5=30/3=15