Задача · 7 класс Задача №3635495
А
А
\(\dfrac{16\cdot0,6-1,8}{2\dfrac1{12}+2\dfrac1{15}-\dfrac14}=\dfrac{7,8}{3,9}=2.\)
- \(\dfrac{11}{6}y=-11\), \(y=-6\).
- \(12-6x=0\), \(x=2\).
- \(0,4x-8,2=0\), \(x=20,5\).
- \(21x-9=14x+19\) → \(x=4\);
- \(8x+7=28-2x\) → \(x=2,1\);
- \(8x-7=2x+35\) → \(x=7\).
