1)0,3(1,2х-0,5у)-1,5(0,4х+у) 2)-2,4(2,5а-1,5b)+0,5(1,8b+5,6a) 3)-1,8(3,5m-5)-6,5(0,8-0,4m). Created by Настя123466656. matematika-ru

1)0,3(1,2х-0,5у)-1,5(0,4х+у) 2)-2,4(2,5а-1,5b)+0,5(1,8b+5,6a) 3)-1,8(3,5m-5)-6,5...

June 2022 1 8 Report

1)0,3(1,2х-0,5у)-1,5(0,4х+у)
2)-2,4(2,5а-1,5b)+0,5(1,8b+5,6a)
3)-1,8(3,5m-5)-6,5(0,8-0,4m)

Answers & Comments

jekadva 1)0,3(1,2х-0,5у)-1,5(0,4х+у)= 0,36x - 0,15y - 0,6x - 1,5y = -0,24x - 1,65y

2)-2,4(2,5а-1,5b)+0,5(1,8b+5,6a)= -6a + 3,6b + 0,9b + 2,8a = -3,2a + 4,5b

3)-1,8(3,5m-5)-6,5(0,8-0,4m)= -6,3m + 9 - 5,2 + 2,6m = -3,7m + 3,8

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