Предмет: Математика, автор: LISICHA

34.2-(17.9-a)=22 r+16.23-15.8=7.1 16.5-(t+3.4)=4.9

Ответы

Автор ответа: momot

0

34,2-(17,9-а)=22,

17,9-а=34,2-22,

а=17,9-12,2,

а=5,7

r+16,23-15,8=7,1,

r=7,1+15,8-16,23 r=6,67

16,5-(t+3,4)=4,9,

t+3,4=16,5-4,9,

t=11,6-3,4,

t=8,2

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