a) x=191 + 4 - 4(51 + 1)9 + 4 - 4(5 + 1)9 + 4 - 4(6)9 + 4 - 2413 - 24= -11
б) x=-23(3(-2) - 2) - (6(-2) - 2)3(-6 - 2) - (-12 - 2)3(-8) - (-14)-24 + 14= -10
в) x=3-5(33 - 1) + 2(53 + 1)-5(9 - 1) + 2(15 + 1)-5(8) + 2(16)-40 + 32= -8
г) x=3 2/75(3(3 + 2/7) - 3(5(3 + 2/7) + 3)5(3(21/7 + 2/7) - 3(5(21/7 + 2/7) + 3)5(3(23/7) - 3(5(23/7) + 3)5(69/7) - 3(115/7 + 3)5(69/7) - 3(115/7 + 21/7)345/7 - 3*(136/7)345/7 - 408/7= -63/7
a) x=1
91 + 4 - 4(51 + 1)
9 + 4 - 4(5 + 1)
9 + 4 - 4(6)
9 + 4 - 24
13 - 24
= -11
б) x=-2
3(3(-2) - 2) - (6(-2) - 2)
3(-6 - 2) - (-12 - 2)
3(-8) - (-14)
-24 + 14
= -10
в) x=3
-5(33 - 1) + 2(53 + 1)
-5(9 - 1) + 2(15 + 1)
-5(8) + 2(16)
-40 + 32
= -8
г) x=3 2/7
5(3(3 + 2/7) - 3(5(3 + 2/7) + 3)
5(3(21/7 + 2/7) - 3(5(21/7 + 2/7) + 3)
5(3(23/7) - 3(5(23/7) + 3)
5(69/7) - 3(115/7 + 3)
5(69/7) - 3(115/7 + 21/7)
345/7 - 3*(136/7)
345/7 - 408/7
= -63/7