1.
1. 8×(7-х)=8+7-x
2. 11(2с-9)= 11+2с-9
3. (2m-3n+4k)×10= 2m-3n+4k×10
2.
1. 28c - 15c = 13c
2. 98p - p = 97p
3. 4x + 13x + 15x = 32x
1.
1. 8×(7-х)=8+7-x
2. 11(2с-9)= 11+2с-9
3. (2m-3n+4k)×10= 2m-3n+4k×10
2.
1. 28c - 15c = 13c
2. 98p - p = 97p
3. 4x + 13x + 15x = 32x