1.8*(4-2а)+0.4а-6.2,если А=5/32
1.8*(4-2a)+0.4a-6.2=7.2-3.6a+0.4a-6.2= - 3.2a + 1 = -3.2 * 5/32 + 1 = = - 0.5 + 1 = 0.5
Спс
= 7,2 - 3,6A + 0,4A - 6,2 = 1 - 3,2A A = ( 5/32 ) 1 - ( 16/5 ) * ( 5/32 ) = 1 - ( 1/2 ) = 1/2 = 0,5 ОТВЕТ 0,5