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Problemi più comuni

Livello	Argomento	Problema	Problema formattato
19801	求解t	3(2t-4)=2t+12	$3 (2 t - 4) = 2 t + 12$
19802	求解t	3e^(2t-1)=6	$3 e^{2 t - 1} = 6$
19803	求解t	-3t^2+24t-45=0	$- 3 t^{2} + 24 t - 45 = 0$
19804	求解t	3t^2-12=0	$3 t^{2} - 12 = 0$
19805	求解t	3t^2-24t+45=0	$3 t^{2} - 24 t + 45 = 0$
19806	求解t	3t^2-3t-15=3	$3 t^{2} - 3 t - 15 = 3$
19807	求解t	304t-16t^2=0	$304 t - 16 t^{2} = 0$
19808	求解t	-32t+20=0	$- 32 t + 20 = 0$
19809	求解t	3 radice quadrata di 7=t	$3 \sqrt{7} = t$
19810	求解t	-16t^2+96t+640=0	$- 16 t^{2} + 96 t + 640 = 0$
19811	求解t	0=3t^2-24t+45	$0 = 3 t^{2} - 24 t + 45$
19812	求解t	(dv)/(dt)=8/(t radice quadrata di t^2-1)	$\frac{d v}{d t} = \frac{8}{t \sqrt{t^{2} - 1}}$
19813	求解t	15=5+27t-16t^2	$15 = 5 + 27 t - 16 t^{2}$
19814	求解t	-16t^2+48t+36=0	$- 16 t^{2} + 48 t + 36 = 0$
19815	求解t	-16t^2+576=0	$- 16 t^{2} + 576 = 0$
19816	求解t	2e^(-0.2t)-4=6	$2 e^{- 0.2 t} - 4 = 6$
19817	求解t	2.1+1.5sin(1.8t+0.3)=3	$2.1 + 1.5 \sin (1.8 t + 0.3) = 3$
19818	求解t	2=e^(0.024(t))	$2 = e^{0.024 (t)}$
19819	求解t	225-45t^2=0	$225 - 45 t^{2} = 0$
19820	求解t	8=62e^(-0.0045t)	$8 = 62 e^{- 0.0045 t}$
19821	求解t	7-e^(0.5t)=3	$7 - e^{0.5 t} = 3$
19822	求解t	6e^(t-1)=6	$6 e^{t - 1} = 6$
19823	求解t	6=12t-0.83t^2	$6 = 12 t - 0.83 t^{2}$
19824	求解t	64-32t=0	$64 - 32 t = 0$
19825	求解t	44(t)^2=172.023	$44 {(t)}^{2} = 172.023$
19826	求解t	t = square root of 197/16	$t = \sqrt{\frac{197}{16}}$
19827	求解t	t=( logaritmo naturale di 2)/0.031	$t = \frac{\ln (2)}{0.031}$
19828	求解t	6e^(5t)=3e^(2t)	$6 e^{5 t} = 3 e^{2 t}$
19829	求解t	sin(t)=-2/5	$\sin (t) = - \frac{2}{5}$
19830	求解t	t=((1.16610^-5)/((6.58210^-25)16p))*\|0.9396-0.9425\|^6.905
19831	求解t	sin(t)=0	$\sin (t) = 0$
19832	求解t	s=t^3-4t^2	$s = t^{3} - 4 t^{2}$
19833	求解t	s=7t+21	$s = 7 t + 21$
19834	求解t	s=sin((3pi)/2t)+cos((7pi)/4t)	$s = \sin (\frac{3 π}{2} t) + \cos (\frac{7 π}{4} t)$
19835	求解t	s=2t^3-96t	$s = 2 t^{3} - 96 t$
19836	求解t	s=2000t-16.5t^2	$s = 2000 t - 16.5 t^{2}$
19837	求解t	3t^2-30t+72=0	$3 t^{2} - 30 t + 72 = 0$
19838	求解t	3t^2-36t+96=0	$3 t^{2} - 36 t + 96 = 0$
19839	求解t	p=170t^2-2200t+6100	$p = 170 t^{2} - 2200 t + 6100$
19840	求解t	logaritmo naturale di 2=0.024t	$\ln (2) = 0.024 t$
19841	求解t	s(3)=(800t)/(t+2)	$s (3) = \frac{800 t}{t + 2}$
19842	求解t	-9.8t+22.5=0	$- 9.8 t + 22.5 = 0$
19843	求解t	logaritmo naturale di 30/142=-0.03t	$\ln (\frac{30}{142}) = - 0.03 t$
19844	求解t	logaritmo naturale di 6=0.02t	$\ln (6) = 0.02 t$
19845	求解t	90t=80(10t)	$90 t = 80 (10 t)$
19846	求解t	(dx(t))/(dt)=cos(t)	$\frac{d x (t)}{d t} = \cos (t)$
19847	求解A	-180=-0.90A^2	$- 180 = - 0.9 A^{2}$
19848	求解A	(ds)/(dA)=(d(180A))/(dA)-(d(0.30A^3))/(dA)	$\frac{d s}{d A} = \frac{d (180 A)}{d A} - \frac{d (0.3 A^{3})}{d A}$
19849	Trovare i Punti di Flesso	x/(x^2+49)	$\frac{x}{x^{2} + 49}$
19850	求解A	390=A^2	$390 = A^{2}$
19851	求解a	pa^7(33)=pr^5(20)*c^2	$p a^{7} (33) = p r^{5} (20) \cdot c^{2}$
19852	求解?	sec(x)=-4.0545	$\sec (x) = - 4.0545$
19853	求解?	r=8sin(x)	$r = 8 \sin (x)$
19854	求解?	r=tan(x)sec(x)	$r = \tan (x) \sec (x)$
19855	求解?	tan(x)=(-1/3)	$\tan (x) = (\frac{- 1}{3})$
19856	求解?	tan(x)=-1/4	$\tan (x) = \frac{- 1}{4}$
19857	求解?	sin(x)=sin(2x)	$\sin (x) = \sin (2 x)$
19858	求解?	sin(2x)=cos(2x)	$\sin (2 x) = \cos (2 x)$
19859	求解?	tan(x)v=-1/3	$\tan (x) v = \frac{- 1}{3}$
19860	求解?	x=2cos(x)	$x = 2 \cos (x)$
19861	求解?	y=pi/9*cos(x)-sin(x)	$y = \frac{π}{9} \cdot \cos (x) - \sin (x)$
19862	求解a	logaritmo naturale di a=3	$\ln (a) = 3$
19863	求解a	a=24.2e^(0.0768t)	$a = 24.2 e^{0.0768 t}$
19864	求解a	cos(a)(1-cos(2a))=sin(a)sin(2a)	$\cos (a) (1 - \cos (2 a)) = \sin (a) \sin (2 a)$
19865	求解a	a=300000(1+0.121/4)^(4(30))	$a = 300000 {(1 + \frac{0.121}{4})}^{4 (30)}$
19866	求解a	y=ax^2+bx+c	$y = a x^{2} + b x + c$
19867	求解A	-360=-0.15A^2	$- 360 = - 0.15 A^{2}$
19868	求解A	180A-0.90A^2=0	$180 A - 0.9 A^{2} = 0$
19869	求解a	2x^(2a)(8x^(5a^4)+5x^(2a+1))=16x^31+10x^21	$2 x^{2 a} (8 x^{5 a^{4}} + 5 x^{2 a + 1}) = 16 x^{31} + 10 x^{21}$
19870	求解A	A=15500(1+0.0575/4)^(4(11.565))	$A = 15500 {(1 + \frac{0.0575}{4})}^{4 (11.565)}$
19871	求解a	a = square root of 35.1^2	$a = \sqrt{{35.1}^{2}}$
19872	求解a	a=-2.8sin(2*0.5)-0.10cos(0.5)	$a = - 2.8 \sin (2 \cdot 0.5) - 0.1 \cos (0.5)$
19873	求解a	6ax^5=42x^5	$6 a x^{5} = 42 x^{5}$
19874	求导数 - d/dx	sin(arccos(2x))	$\sin (\arccos (2 x))$
19875	求dq/dt	q=cos(t/( radice quadrata di t+5))	$q = \cos (\frac{t}{\sqrt{t + 5}})$
19876	求dp/dq	p=((q^8+4)/(2q))((q^7+6)/q)	$p = (\frac{q^{8} + 4}{2 q}) (\frac{q^{7} + 6}{q})$
19877	Trovare gli Asintoti	f(x)=1/(x-1)+3	$f (x) = \frac{1}{x - 1} + 3$
19878	求dy/dx	y = square root of x^2+11	$y = \sqrt{x^{2} + 11}$
19879	求dy/dx	y=1/( radice quadrata di x+ radice cubica di x)	$y = \frac{1}{\sqrt{x + \sqrt[3]{x}}}$
19880	求dy/dx	y=1/(x^2)	$y = \frac{1}{x^{2}}$
19881	求dy/dx	y^6-7x^5=7x	$y^{6} - 7 x^{5} = 7 x$
19882	求dy/dx	x^2-xy-3y-1=0	$x^{2} - x y - 3 y - 1 = 0$
19883	求dy/dx	y=(3x^2-9x+17)/(2x+4)	$y = \frac{3 x^{2} - 9 x + 17}{2 x + 4}$
19884	求dy/dx	e^(5y)+x=7y	$e^{5 y} + x = 7 y$
19885	求dy/dx	(2x-y)^2-3y=2	${(2 x - y)}^{2} - 3 y = 2$
19886	求dy/dx	y=( logaritmo naturale di x)^12+ logaritmo naturale di x^12	$y = \ln^{12} (x) + \ln (x^{12})$
19887	求dy/dx	y=((x-5)/(5x+1))^3	$y = {(\frac{x - 5}{5 x + 1})}^{3}$
19888	求dy/dx	6x^5+7y^5=13xy	$6 x^{5} + 7 y^{5} = 13 x y$
19889	Semplificare	sin(2ax)^2	$\sin^{2} (2 a x)$
19890	求解x	x[0,10,20-2x,x]	$x [0, 10, 20 - 2 x, x]$
19891	求解?	x=arctan(-966/483)	$x = \arctan (- \frac{966}{483})$
19892	求2nd的导数	f(x)=x^(9/10)-6	$f (x) = x^{\frac{9}{10}} - 6$
19893	求解y	X+y=Xy(X-y)	$X + y = X y (X - y)$
19894	求解?	r=(cos(x)+cot(x))^-1	$r = {(\cos (x) + \cot (x))}^{- 1}$
19895	求解?	r=1-2sin(x)	$r = 1 - 2 \sin (x)$
19896	求解?	cot(x)=1.417	$\cot (x) = 1.417$
19897	求解?	cot(x)=3/2	$\cot (x) = \frac{3}{2}$
19898	求解?	r=1-sin(x)	$r = 1 - \sin (x)$
19899	求解?	r=1/(8cos(x)-6sin(x))	$r = \frac{1}{8 \cos (x) - 6 \sin (x)}$
19900	求解?	cos(x)^2=(2- radice quadrata di 2)/4	$\cos^{2} (x) = \frac{2 - \sqrt{2}}{4}$