решите 3 ,4,5 умоляю. Created by эльвира3121. matematika-ru

решите 3 ,4,5 умоляю...

August 2021 1 13 Report

решите 3 ,4,5 умоляю

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selmash21 3.
4/29=0.14
2 6/31=68/31=2.19
4.
=4/9×(-0.77-2.83)=4/9×(-3.6)=
=4/9×(-3 3/5)=-4/9×18/5=-8/5=
=-1 3/5=-1.6
5.
5у-7=0
5у=7
у1=7/5=1 2/5=1.4
2у-0.4=0
2у=0.4
у=0.4÷2
у2=0.2

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