(a) (312−53)⋅1522
(b) (2−78)(1−13)2
(c) 13+5612+16
Rešitev: (a) ⋯=54, (b) ⋯=12, (c) ⋯=74(a) (518+312)⋅4
(b) 356:(112+123)
(c) 312+112116−12
Rešitev: (a) ⋯=219, (b) ⋯=1419, (c) ⋯=538(a) 2−2+3−2+6−1
(b) (34)−1+(37)−1+(12)−2
(c) 3−2⋅(76+59)−1
Rešitev: (a) ⋯=1936, (b) ⋯=233, (c) ⋯=231(a) 37250
(b) 12333
(c) 1718
Rešitev: (a) ⋯=0,148, (b) ⋯=3,¯72, (c) ⋯=0,9¯4(a) 0,36
(b) 0,¯36
(c) 0,3¯6
Rešitev: (a) ⋯=925, (b) ⋯=411, (c) ⋯=1130(a) (0,5¯2−145)⋅14031⋅31210
(b) (0,4+0,¯4):(49+53)
(c) (0,¯629+3−3)2−12340
Rešitev: (a) ⋯=13, (b) ⋯=25, (c) ⋯=−59(a) 15a2xy320ax2y4
(b) x2−x−6x2−9
(c) x3−3x2−10xx3−5x2
Rešitev: (a) ⋯=3a4xy, (b) ⋯=x+2x+3, (c) ⋯=x+2x(a) x2x+2⋅x2−4x2−4x+4
(b) x2−2x−8x2+x−30:x+2x−5
(c) (xx+5)−1⋅x2+2xx2+2x−15
Rešitev: (a) ⋯=x2x−2, (b) ⋯=x−4x+6, (c) ⋯=x+2x−3(a) 1+1x−1
(b) 1x−1x+2
(c) 3x+3+2x−3+18x2−9
(d) 2x2−1−1x2+x
Rešitev: (a) ⋯=xx−1, (b) ⋯=2x(x+2), (c) ⋯=5x−3, (d) ⋯=1x(x−1)(a) (1x+2+1x)⋅x+2x2+x
(b) (3+3x+2)⋅x+2x2+4x+3
(c) (xx+2−1x):x−2x
(d) 1x+1x+21x−1x+2
Rešitev: (a) ⋯=2x2, (b) ⋯=3x+1, (c) ⋯=x+1x+2, (d) ⋯=x+1(a) 3x−2⩽
(b) {\displaystyle 2x+\frac{3}{2}\geqslant \frac{x}{2}}
(c) {\displaystyle \frac{x}{3}+\frac{5}{6} \gt \frac{x}{2}-\frac{1}{3}}
Rešitev: (a) x \leqslant 6, (b) x \geqslant -1, (c) x \lt 7(a) {\displaystyle x+\frac{2x-3}{5} \lt \frac{3x-1}{5}}
(b) {\displaystyle \Big(\frac{x+1}{2}\Big)^2 \gt \frac{1}{4} x^2 +x+1}
(c) {\displaystyle x^2-\frac{x+9}{4} \leqslant \Big(x+\frac{1}{2}\Big)^2}
Rešitev: (a) x \lt \frac{1}{2}, (b) x \lt -\frac{3}{2}, (c) x \geqslant -2(a) {\displaystyle \frac{x}{3}-\frac{x-1}{6} = x+1}
(b) {\displaystyle \frac{x}{2}\cdot (x+3) =\frac{(x+2)^2}{2}}
(c) (x+2)^3=x(x+3)^2+10
Rešitev: (a) x=-1, (b) x=-4, (c) x=\frac{2}{3}(a) {\displaystyle \frac{2}{x+3}=\frac{1}{x-1}}
(b) {\displaystyle \frac{5}{x^2-9x+14} =\frac{1}{x-7}}
(c) {\displaystyle \frac{x}{x^2-2x-3} =\frac{1}{2x-6}}
Rešitev: (a) x=5, (b) Enačba ni rešljiva, (c) x=1(a) {\displaystyle \frac{x+3}{x^2-1}=\frac{x}{x+1}}
(b) {\displaystyle \frac{1}{x-2}+\frac{2}{x+2} =\frac{x^2}{x^2-4}}
(c) {\displaystyle \frac{x^2}{x-2} =2+\frac{12}{x-2}}
Rešitev: (a) x=3, (b) x=1, (c) x_1=-2,~ x_2=4(a) {\displaystyle \frac{x^2-5x}{x-4}=\frac{4}{4-x}}
(b) {\displaystyle \frac{x}{x-3} =\frac{3}{3-x}}
Rešitev: (a) x=1, (b) x=-3(a) (x-3)^{-1}=\frac{1}{4}x
(b) (x+2)^{-1}=x^{-2}
Rešitev: (a) x_1=-1,~ x_2=4, (b) x_1=-1,~ x_2=2