5.9х+2.9х=27.28 ( 4.5у-4у)- 8.1=2.2 - вопрос №3810803592927284548122 от fbgudcc 24.05.2022 00:57

Question

Математика: 5.9х+2.9х=27.28 ( 4.5у-4у)- 8.1=2.2

fbgudcc · Answer

5,9х + 2,9х = 27,288,8х = 27,28х = 27,28 : 8,8х = 3,15,9 · 3,1 + 2,9 · 3,1 = 27,2827,28 = 27,28(4,5у - 4у) - 8,1 = 2,20,5у - 8,1 = 2,20,5у = 2,2 + 8,10,5у = 10,3у = 10,3 : 0,5у = 20,6(4,5 · 20,6 - 4 ·20,6) - 8,1 = 2,22,2 = 2,2﻿...