Решение во вложениииииииииииииииииииии
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<span>при а = 1/8, у = - 1/6
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16 а + 2 у = 16 * <span><span>1/8 </span>+ 2 *(</span><span><span>- 1/6) = </span></span>16<span>/8 - 2</span><span>/6 = </span>2 - 1<span>/3 = </span>1 2/3
-(-2)*(-4)-(-12)/2= -(8+12)/2=-10