Question

4,2р-р= 5,12 и 8,2t-4,4t=38,38

Answer 1

4,2p-p=5,12
3,2p=5,12
p=5,12:3,2
p=1,6
проверка
4,2*1,6-1,6=5,12
6,72-1,6=5,12
5,12=5,12
=====================
8,2t-4,4t=38,38
3,8t=38,38
t=38,38:3,8
t=10,1
проверка
8,2*10,1-4,4*8,1=38,38
82,82-44,44=38,38
38,38=38,38