Помогите!!!!!!!!!!!!!!!!
1)7,2:2,4=0,9:х 3=0,9:х 0,9:х=3 х=0,9:3 х=0,3 2) 4 3 4 х : --- = --- : --- 25 4 5 4 3 5 х : --- = --- * --- 25 4 4 4 15 х : --- = --- 25 16 4 15 х = --- * ----- 25 16 3 х= --- 20
Мдаа..