[tex] rac{1.5}{2} = rac{3x}{8} \ rac{x + - вопрос №10529298152382452 от рашад10 14.07.2021 10:31

Question

Математика: [tex] rac{1.5}{2} = rac{3x}{8} \ rac{x + 2}{4} = rac{5}{2} \ rac{5}{6} = rac{10}{2x - 3} [/tex]​

рашад10 · Answer

1)1,5:2=3х:8, 3х:8=1,5:2, 3х=1,5:2*8 , 3х= 6, х=6:3=2;2)х+2:4=5:2, 2(х+2)=20, х+2=10,х=10-2=8;3)5:6=10:2Х-3,5(2х-3)=60,2х-3=12,2х=12+3,х=15:2=7,5...

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