78w=12w+34w\frac{7}{8}w=\frac{1}{2}w+\frac{3}{4}w87w=21w+43w
x4−10x2+1x^4-10x^2+1x4−10x2+1
(2x − 62)\left(2x\:-\:6^2\right)(2x−62)
(7+)−(−1)\left(7+\right)-\left(-1\right)(7+)−(−1)
∫π0(π2cosn1t)dt\int_{\pi}^0\left(\pi^2cosn1t\right)dt∫π0(π2cosn1t)dt
(3b2−2)3\left(3b^2-2\right)^3(3b2−2)3
312a6bc4\sqrt{3^{12}a^6bc^4}312a6bc4
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