Mathway | Problemi più comuni

Problemi più comuni

Livello	Argomento	Problema	Problema formattato
26901	求解x	2sin(4x)=-4sin(2x)	$2 \sin (4 x) = - 4 \sin (2 x)$
26902	求解x	2cot(x)+1=0	$2 \cot (x) + 1 = 0$
26903	求解x	2csc(x)=1/(csc(x)+cot(x))+1/(csc(x)-cot(x))	$2 \csc (x) = \frac{1}{\csc (x) + \cot (x)} + \frac{1}{\csc (x) - \cot (x)}$
26904	求解x	2sec(x)cos(x)^2-csc(x)^2+cot(x)^2=0	$2 \sec (x) \cos^{2} (x) - \csc^{2} (x) + \cot^{2} (x) = 0$
26905	求解x	2cos(x)cot(x)-3=0	$2 \cos (x) \cot (x) - 3 = 0$
26906	求解x	2cos(x)cot(x)-cot(x)=1-2cos(x)	$2 \cos (x) \cot (x) - \cot (x) = 1 - 2 \cos (x)$
26907	求解x	15arccos((y-pi)/4)=5pi	$15 \arccos (\frac{y - π}{4}) = 5 π$
26908	求解x	15cos(x)+8=-cos(x)	$15 \cos (x) + 8 = - \cos (x)$
26909	求解x	15sin(x)*cos(x)=6cos(xx)	$15 \sin (x) \cdot \cos (x) = 6 \cos (x x)$
26910	求解x	20x^2-39x-80=0	$20 x^{2} - 39 x - 80 = 0$
26911	求解x	20+ logaritmo naturale di 5=2 logaritmo naturale di x	$20 + \ln (5) = 2 \ln (x)$
26912	求解x	200.96=3.14*r^2	$200.96 = 3.14 \cdot r^{2}$
26913	求解x	200x-2x^2=-x^2+4x+3750	$200 x - 2 x^{2} = - x^{2} + 4 x + 3750$
26914	求解x	21-3y=36-6y	$21 - 3 y = 36 - 6 y$
26915	求解x	25x^2-3=0	$25 x^{2} - 3 = 0$
26916	求解x	28x^5q+16x^6q^7=4x^5q	$28 x^{5} q + 16 x^{6} q^{7} = 4 x^{5} q$
26917	求解x	2cos(x)+2=0	$2 \cos (x) + 2 = 0$
26918	求解x	2cos(x)+3=-sec(x)	$2 \cos (x) + 3 = - \sec (x)$
26919	求解x	2cos(x)sec(x)+cos(x)=0	$2 \cos (x) \sec (x) + \cos (x) = 0$
26920	求解x	2cos(3)x+1=0	$2 \cos (3) x + 1 = 0$
26921	求解x	-2cos(3)x=1	$- 2 \cos (3) x = 1$
26922	求解x	2cos(o)=0.2814	$2 \cos (o) = 0.2814$
26923	求解x	2cos(x)+ radice quadrata di 2=0	$2 \cos (x) + \sqrt{2} = 0$
26924	求解x	2x^2+4=9x	$2 x^{2} + 4 = 9 x$
26925	求解x	2x^2+4x-6=0	$2 x^{2} + 4 x - 6 = 0$
26926	求解x	2x^2+72=0	$2 x^{2} + 72 = 0$
26927	求解x	2x^2+kx+3=0	$2 x^{2} + k x + 3 = 0$
26928	求解x	2x^2-5x+1=3	$2 x^{2} - 5 x + 1 = 3$
26929	求解x	2x^2-8x-42=0	$2 x^{2} - 8 x - 42 = 0$
26930	求解x	-2x^6+4x^5+8x^4-16x^3=0	$- 2 x^{6} + 4 x^{5} + 8 x^{4} - 16 x^{3} = 0$
26931	求解x	2y^2-y-1/2=0	$2 y^{2} - y - \frac{1}{2} = 0$
26932	求解x	2+(9+b)=(9+b)+2	$2 + (9 + b) = (9 + b) + 2$
26933	求解x	2+1/(b-2)=(3b)/(b+2)	$2 + \frac{1}{b - 2} = \frac{3 b}{b + 2}$
26934	求解x	2+5/6x=7/8	$2 + \frac{5}{6} x = \frac{7}{8}$
26935	求解x	2cos(x)^2-1=( radice quadrata di 2)/2	$2 \cos^{2} (x) - 1 = \frac{\sqrt{2}}{2}$
26936	求解x	2cos(x)^2-1-2cos(x)=0	$2 \cos^{2} (x) - 1 - 2 \cos (x) = 0$
26937	求解x	2cos(t)^2+3cos(t)=-1	$2 \cos^{2} (t) + 3 \cos (t) = - 1$
26938	求解x	2cos(x)^2+7cos(x)-4=0	$2 \cos^{2} (x) + 7 \cos (x) - 4 = 0$
26939	求解x	2cos(x)^2=sin(x)+1	$2 \cos^{2} (x) = \sin (x) + 1$
26940	求解x	2cos(x)^2-1=0	$2 \cos^{2} (x) - 1 = 0$
26941	求解x	2cot(x)^2+csc(x)^2-2=0	$2 \cot^{2} (x) + \csc^{2} (x) - 2 = 0$
26942	求解x	2e^(0.02x)=3	$2 e^{0.02 x} = 3$
26943	求解x	2e^(-x)+1=15	$2 e^{- x} + 1 = 15$
26944	求解x	2e^x+6e^(-x)=7	$2 e^{x} + 6 e^{- x} = 7$
26945	求解x	2 logaritmo di 6-1/3* logaritmo di 27 = logaritmo di x	$2 \log (6) - \frac{1}{3} \cdot \log (27) = \log (x)$
26946	求解x	2 logaritmo in base 2 di x+ logaritmo in base 2 di 1/32=3 logaritmo in base 2 di x-3 logaritmo in base 2 di 2	$2 \log_{2} (x) + \log_{2} (\frac{1}{32}) = 3 \log_{2} (x) - 3 \log_{2} (2)$
26947	求解x	2 logaritmo in base 6 di 4-1/3* logaritmo in base 6 di 8 = logaritmo in base 6 di x	$2 \log_{6} (4) - \frac{1}{3} \cdot \log_{6} (8) = \log_{6} (x)$
26948	求解x	2p^(2/3)-p^(1/3)-1=0	$2 p^{\frac{2}{3}} - p^{\frac{1}{3}} - 1 = 0$
26949	求解x	2sin(x)^2 radice quadrata di 3sin(x)=0	$2 \sin^{2} (x) \sqrt{3} \sin (x) = 0$
26950	求解x	2arcsin(x)=pi/3	$2 \arcsin (x) = \frac{π}{3}$
26951	求解x	2sin(x)^2- radice quadrata di 3sin(x)=0	$2 \sin^{2} (x) - \sqrt{3} \sin (x) = 0$
26952	求解x	2sin(x)^2+5sin(x)-12=0	$2 \sin^{2} (x) + 5 \sin (x) - 12 = 0$
26953	求解x	2sin(x)^2=3cos(x+1)	$2 \sin^{2} (x) = 3 \cos (x + 1)$
26954	求解x	2(9x)=162	$2 (9 x) = 162$
26955	求解x	-2*cos(3x)=- radice quadrata di 3	$- 2 \cdot \cos (3 x) = - \sqrt{3}$
26956	求解x	2.4x+10=-3.5x+4.7	$2.4 x + 10 = - 3.5 x + 4.7$
26957	求解x	2tan(x)^2-3tan(x)=-1/2	$2 \tan^{2} (x) - 3 \tan (x) = - \frac{1}{2}$
26958	求解x	2tan(x)^2sin(x)+tan(x)^2=0	$2 \tan^{2} (x) \sin (x) + \tan^{2} (x) = 0$
26959	求解x	2tan(x)^2*sin(x)-tan(x)^2=0	$2 \tan^{2} (x) \cdot \sin (x) - \tan^{2} (x) = 0$
26960	求解x	2 radice quadrata di 3x=90	$2 \sqrt{3} x = 90$
26961	求解x	2 radice quadrata di 4r+3=11	$2 \sqrt{4 r} + 3 = 11$
26962	求解x	-2x^2+10x-1=0	$- 2 x^{2} + 10 x - 1 = 0$
26963	求解x	2sin(x)^2-cos(x)^2=0	$2 \sin^{2} (x) - \cos^{2} (x) = 0$
26964	求解x	2sin(x)^2+3cos(x)-3=0	$2 \sin^{2} (x) + 3 \cos (x) - 3 = 0$
26965	求解x	2sin(x)^2+3sin(x)-5=0	$2 \sin^{2} (x) + 3 \sin (x) - 5 = 0$
26966	求解x	2sin(x)^2+5cos(x)=4	$2 \sin^{2} (x) + 5 \cos (x) = 4$
26967	求解x	2sin(x)^2+5sin(x)=-2	$2 \sin^{2} (x) + 5 \sin (x) = - 2$
26968	求解x	2sin(x)^2+6sin(x)=0	$2 \sin^{2} (x) + 6 \sin (x) = 0$
26969	求解x	2sin(x)^2+sin(x)cos(x)-cos(x)^2=0	$2 \sin^{2} (x) + \sin (x) \cos (x) - \cos^{2} (x) = 0$
26970	求解x	2sin(x)^2=3(1-cos(x))	$2 \sin^{2} (x) = 3 (1 - \cos (x))$
26971	求解x	2sin(x)^2-3sin(x)=1	$2 \sin^{2} (x) - 3 \sin (x) = 1$
26972	求解x	2sin(x)^2-sin(x)=0	$2 \sin^{2} (x) - \sin (x) = 0$
26973	求解x	4sin(x+3)=5	$4 \sin (x + 3) = 5$
26974	求解x	4sin(x)=0	$4 \sin (x) = 0$
26975	求解x	4sin(x+10)=12	$4 \sin (x + 10) = 12$
26976	求解x	4sin(h(x-pi))=2.3	$4 \sinh (x - π) = 2.3$
26977	求解x	4tan(x)+3tan(x/2)=0	$4 \tan (x) + 3 \tan (\frac{x}{2}) = 0$
26978	求解x	4x+(6x+y)=180	$4 x + (6 x + y) = 180$
26979	求解x	4x+5y+10x=20	$4 x + 5 y + 10 x = 20$
26980	求解x	4x+6=9x-14	$4 x + 6 = 9 x - 14$
26981	求解x	4x+ logaritmo di 13=0	$4 x + \log (13) = 0$
26982	求解x	4x+y=24	$4 x + y = 24$
26983	求解x	4x-3y-2z=-2	$4 x - 3 y - 2 z = - 2$
26984	求解x	4y=x^2+4	$4 y = x^{2} + 4$
26985	求解x	5(1/4)^x-20=20	$5 {(\frac{1}{4})}^{x} - 20 = 20$
26986	求解x	5\|9-5n\|-7=38	$5 \| 9 - 5 n \| - 7 = 38$
26987	求解x	5arcsin(x)-2pi=2arcsin(x)-3pi	$5 \arcsin (x) - 2 π = 2 \arcsin (x) - 3 π$
26988	求解x	-5t^2+60t+20=0	$- 5 t^{2} + 60 t + 20 = 0$
26989	求解x	5x^2+11x-3=0	$5 x^{2} + 11 x - 3 = 0$
26990	求解x	5x^2+6x-9=0	$5 x^{2} + 6 x - 9 = 0$
26991	求解x	5x^2-4=-8x	$5 x^{2} - 4 = - 8 x$
26992	求解x	-5+csc(x)=((-15-2 radice quadrata di 3)/3)	$- 5 + \csc (x) = (\frac{- 15 - 2 \sqrt{3}}{3})$
26993	求解x	5+tan(x)=6	$5 + \tan (x) = 6$
26994	求解x	5=625^(2x+3)	$5 = 625^{2 x + 3}$
26995	求解x	5 = square root of va	$5 = \sqrt{v a}$
26996	求解x	50=25sin((2pi)/7t)+75	$50 = 25 \sin (\frac{2 π}{7} t) + 75$
26997	求解x	55-(x+10)=-2(1/2+10)	$55 - (x + 10) = - 2 (\frac{1}{2} + 10)$
26998	求解x	5cos(x)+10=0	$5 \cos (x) + 10 = 0$
26999	求解x	5cos(pi/4)x+6=2	$5 \cos (\frac{π}{4}) x + 6 = 2$
27000	求解x	5cos(x)- radice quadrata di 3=3cos(x)	$5 \cos (x) - \sqrt{3} = 3 \cos (x)$