•не ври про баллы
1.
1) 4+1/2=4 1/2=9/2
2) 3:9/2 = 3*2/9 = 2/3
3) 6-2/3 = 5 1/3 = 16/3
4) 4:16/3 = 4*3/16 = 3/4
5) 8+3/4 = 8 3/4 = 35/4
6) 7:35/4 = 7*4/35 = 4/5
7) 10-4/5 = 9 1/5 = 9,2
2.
1) 4-2/3 = 3 1/3 = 10/3
2) 2:10/3 = 2*3/10 = 3/5
3) 5-3/5 = 4 2/5 = 22/5
4) 11:22/5 = 11*5/22 = 5/2 = 2,5
5) 6-2,5 = 3,5 = 7/2
6) 7:7/2 = 7*2/7 = 2
7) 8-2 = 6