1.

a)1/8, 2/8, 3/8;4/8;5/8;

б)9/8;10/8;11/8;12/8;13/8;

2.

1)x+5164=7333

x=7333-5164

x=2169

x+5164=7333

2)3502-x=1246

x=3502-1246

x=2256

3502-2256=1246

3)4346+x=9545

x=9545-4346

x=5199

4346+5199=9545

4)x-248=7356

x=7356+248

x=7604

7604-248=7356