Odpowiedź:
x+z
-1+3=2
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3z-2y+x
3 · 3 - 2 · 4 + (-1) = 9 - 8 - 1 = 0
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2z-y
2 · 3 - 4 = 6-4=2
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2y + 6x
2 · 4 + 6· (-1) = 8 - 6 = 2
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xyz + 10
-1 · 3 · 4 + 10 = - 12 + 10 = -2
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5x + 2y + z
5 · (-1) + 2 · 4 + 3 = -5 + 8 + 3 = 6
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yz + 10x
4 · 3 + 10 · (-1) = 12 -10 = 2
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y-z+x
4-3+(-1) = 0
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2xz+y
2 · (-1) · 3 + 4 = -2 ·3+4 = -4+4 = 0
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(z-x) :2
(3-(-1)) :2 = 4:2=2
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12 - 5z - x
12 - 5 · 3 - (-1) = 12 - 15 + 1 = -2
