Question

решите пропорцию12/13=18x/39и 16/19=32:38х помогите пж

Answer 1

12/13=18x/39

18x*13 = 39*12

234x = 468

x = 468 : 234

x = 2

и

16/19=32:38х

38x*16 = 32*19

608x = 608

x = 1