Предмет: Математика, автор: Чувачок002

0.2÷0.3=две целых2/3÷(0.4*y-1.5)
очень нужно помогите не проходите мимо!!!!!!!!!!!

Ответы

Автор ответа: kratgv
0
0.2:0.3=2 2/3:(0.4y-1.5)
0.2(0.4y-1.5)=0,3·2 2/3
0,08у--0,3=3/10·8/3
0,08у=0,8+0,3
0,08у=1,1
у=13,75
Автор ответа: kratgv
0
:)
Автор ответа: Чувачок002
0
спасибо огромное
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