Question

Упростите
8,3а+1,7а
71,4b-70,2b
2,5с+1,2+3,6с+5
8,8+9,7d-2.5d-3.7

Answer 1

1)8,3a+1,7a=10a
2)71,4b-70,2b=1,2b
3)2,5c+1,2+3,6c+5=2,5c+3,6c+1,2+5=6,1c+6,2
4)8,8+9,7d-2,5d-3,7=8,8-3,7-9,7d-2,5d=5,1-12,2d