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nazavalin1
@nazavalin1
December 2021
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СРОЧНО!!! Помогите упростить выражения! очень-очень надо!
Первое - 3 (a-7,2)+2,4a+7,5
Второе - 2,1 (2x+6)-(3,4x+5,9)
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200semiz
3(а - 7,2) + 2,4а +7,5=3а -21,6 +2,4а +7,5=5,4а-14,1
2,1(2х+6) - (3,4х +5,9)=4,2х +12,6 - 3,4х - 5,9 =0,8х +6,7
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Answers & Comments
2,1(2х+6) - (3,4х +5,9)=4,2х +12,6 - 3,4х - 5,9 =0,8х +6,7