∫−100200([x])dx\int_{-100}^{200}\left(\left[x\right]\right)dx∫−100200([x])dx
7.84+(−8.43)7.84+\left(-8.43\right)7.84+(−8.43)
∫(3x+22x−1)dx\int\left(\frac{3x+2}{2x-1}\right)dx∫(2x−13x+2)dx
x2−7x+6≥0x^2-7x+6\ge0x2−7x+6≥0
tanx+4cottanx=5\tan x+4\cot\tan x=5tanx+4cottanx=5
5x4−20x25x^4-20x^25x4−20x2
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