Вычислите: 5,8⋅8−2⋅5,8+8⋅24,2−2⋅24,2 =
5,8*8-2*5,8+8*24,2-2*24,2 = 5,8(8-2)+24,2(8-2) = (8-2)(5,8+24,2) = 6*30 = 180