Question

ajutati va rog dau coroana​

Answer 1

Explicație pas cu pas:

1-4/7=7/7-4/7=3/7

1-7/8=8/8-7/8=1/8

1-2/9=9/9-2/9=7/9

1-3/4=4/4-3/4=1/4

3-1/2=6/2-1/2=5/2=2 1/2

2-3/4=8/4-3/4=5/4=1 1/4

1-4/15=15/15-4/15=11/15

1-3/7=7/7-3/7=4/7