oblicz wartosc liczbową wyrazenia............. a)-y+8x-z-2x dla x=-2,y=6,z=-3 b)-8y-4z+x-y-2z+1 dla x=-0,5,y=-1,z=2
a) -6+8*(-2)+3+4= -6-16+7=-15b)8-8-0,5+1-4+1=-2,5
a) - y + 8x - z - 2x = - 6 + 8 * (-2) - (-3) - 2 * (-2) = - 6 - 16 + 3 + 4 = - 15
b) -8y - 4z + x - y - 2z + 1 = - 8 * (-1) - 4 * 2 + (- 0,5) - (-1) - 2 * 2 + 1 = 8 - 8 - 0,5 + 1 - 4 + 1 = - 2,5
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a) -6+8*(-2)+3+4= -6-16+7=-15
b)8-8-0,5+1-4+1=-2,5
a) - y + 8x - z - 2x = - 6 + 8 * (-2) - (-3) - 2 * (-2) = - 6 - 16 + 3 + 4 = - 15
b) -8y - 4z + x - y - 2z + 1 = - 8 * (-1) - 4 * 2 + (- 0,5) - (-1) - 2 * 2 + 1 = 8 - 8 - 0,5 + 1 - 4 + 1 = - 2,5