Mathway | Problemi più comuni

Problemi più comuni

Livello	Argomento	Problema	Problema formattato
19101	求解x	0=cos(x+pi/4)	$0 = \cos (x + \frac{π}{4})$
19102	求解x	0=sin(2x)	$0 = \sin (2 x)$
19103	求解x	0=80-32x	$0 = 80 - 32 x$
19104	求解x	0=6x^2-576x+7776	$0 = 6 x^{2} - 576 x + 7776$
19105	求解x	0=6x-16	$0 = 6 x - 16$
19106	求解x	0=8-72/(x^2)	$0 = 8 - \frac{72}{x^{2}}$
19107	求解x	1-1/50x^2=0	$1 - \frac{1}{50} x^{2} = 0$
19108	求解x	1-1/60x^2=0	$1 - \frac{1}{60} x^{2} = 0$
19109	求解x	1-1/(3/x)=7/5	$1 - \frac{1}{\frac{3}{x}} = \frac{7}{5}$
19110	求解x	1-9/(x^2)=0	$1 - \frac{9}{x^{2}} = 0$
19111	求解x	-1.0x+55=0	$- 1 x + 55 = 0$
19112	求解x	1.57sin(33.5)=1.33sin(x)	$1.57 \sin (33.5) = 1.33 \sin (x)$
19113	求解x	45=6(x^2+30000)^(1/3)-160	$45 = 6 {(x^{2} + 30000)}^{\frac{1}{3}} - 160$
19114	求解x	450=((890+72)/9.81)(9.81+x)	$450 = (\frac{890 + 72}{9.81}) (9.81 + x)$
19115	求解x	-48x^-3+6=0	$- 48 x^{- 3} + 6 = 0$
19116	求解x	49e^x-7e^(2x)=0	$49 e^{x} - 7 e^{2 x} = 0$
19117	求解x	4 logaritmo naturale di x=-12	$4 \ln (x) = - 12$
19118	求解x	-4sin(4x)=0	$- 4 \sin (4 x) = 0$
19119	求解x	4x^3-6x=0	$4 x^{3} - 6 x = 0$
19120	求解x	42+3e^((3x)/2)=965	$42 + 3 e^{\frac{3 x}{2}} = 965$
19121	求解x	4x^3-8x=0	$4 x^{3} - 8 x = 0$
19122	求解x	4=(x-7)^2	$4 = {(x - 7)}^{2}$
19123	求解x	4 radice quadrata di 0.5x+4+2.8x-8+33.365-(x+180)^1.05=0	$4 \sqrt{0.5 x + 4} + 2.8 x - 8 + 33.365 - {(x + 180)}^{1.05} = 0$
19124	求解x	4.90=4.74+ logaritmo di x/0.100	$4.9 = 4.74 + \log (\frac{x}{0.1})$
19125	求解x	4.5x^2-3x+12=0	$4.5 x^{2} - 3 x + 12 = 0$
19126	求解x	3x=3x^2-24	$3 x = 3 x^{2} - 24$
19127	求解x	4(2x-1)-5=59	$4 (2 x - 1) - 5 = 59$
19128	求解x	4x^2-9x+5=0	$4 x^{2} - 9 x + 5 = 0$
19129	求解x	4e^(4x)-e^(-x)=0	$4 e^{4 x} - e^{- x} = 0$
19130	求解x	4x^3-100x=0	$4 x^{3} - 100 x = 0$
19131	求解x	4x^3-12x=0	$4 x^{3} - 12 x = 0$
19132	求解x	4x^3-18x=0	$4 x^{3} - 18 x = 0$
19133	求解x	4(2-3x)=-2x-27	$4 (2 - 3 x) = - 2 x - 27$
19134	求解x	4x^3+2x-14=0	$4 x^{3} + 2 x - 14 = 0$
19135	求解x	4x^3+2x-16=0	$4 x^{3} + 2 x - 16 = 0$
19136	求解x	-4x^3+36x=0	$- 4 x^{3} + 36 x = 0$
19137	求解x	-4x^2-y^2+6x+2y-y+16-10x-27+3y+5-3y^2+5x^2-y^2=9-6y^2-4y-30+10x+17+y-3y-60	$- 4 x^{2} - y^{2} + 6 x + 2 y - y + 16 - 10 x - 27 + 3 y + 5 - 3 y^{2} + 5 x^{2} - y^{2} = 9 - 6 y^{2} - 4 y - 30 + 10 x + 17 + y - 3 y - 60$
19138	求解x	5(1+10^(6x))=9	$5 (1 + 10^{6 x}) = 9$
19139	求解x	5-900/(x^2)=0	$5 - \frac{900}{x^{2}} = 0$
19140	求解x	-4x-12=0	$- 4 x - 12 = 0$
19141	求解x	4x+5(5x-39)=153	$4 x + 5 (5 x - 39) = 153$
19142	求解x	4x-3y-1=0	$4 x - 3 y - 1 = 0$
19143	求解x	-4x-7+9=-38	$- 4 x - 7 + 9 = - 38$
19144	求解x	4xy+ logaritmo naturale di x^2y=2	$4 x y + \ln (x^{2} y) = 2$
19145	求解x	50x^4-80x^3+30x^2=0	$50 x^{4} - 80 x^{3} + 30 x^{2} = 0$
19146	求解x	500e^(4x)=3500	$500 e^{4 x} = 3500$
19147	求解x	50-6x^2=0	$50 - 6 x^{2} = 0$
19148	求解x	4x+3y-2=0	$4 x + 3 y - 2 = 0$
19149	求解x	5x^4-5=0	$5 x^{4} - 5 = 0$
19150	求解x	54=20+0.1x+0.0003x^2	$54 = 20 + 0.1 x + 0.0003 x^{2}$
19151	求解x	5-5sin(x)=0	$5 - 5 \sin (x) = 0$
19152	求解x	56-2x=0	$56 - 2 x = 0$
19153	求解x	5cos(5x)=0	$5 \cos (5 x) = 0$
19154	求解x	5x(4-x)-1/2-6 radice quadrata di 4-x=0	$5 x (4 - x) - \frac{1}{2} - 6 \sqrt{4 - x} = 0$
19155	求解x	6(x+2)(x-1)=0	$6 (x + 2) (x - 1) = 0$
19156	求解x	3x^2+12x+9=0	$3 x^{2} + 12 x + 9 = 0$
19157	Valutare il Limite	limite per x tendente a -5 di (\|x+5\|)/(x+5)	$lim_{x \to - 5} \frac{\| x + 5 \|}{x + 5}$
19158	求解x	3x^2+12x-63=0	$3 x^{2} + 12 x - 63 = 0$
19159	求解x	3e^x-2=0	$3 e^{x} - 2 = 0$
19160	求解x	3x^2(x+8)^6+6x^3(x+8)^5=0	$3 x^{2} {(x + 8)}^{6} + 6 x^{3} {(x + 8)}^{5} = 0$
19161	Trovare i Massimi e i Minimi Locali	y=x^4-6x^2	$y = x^{4} - 6 x^{2}$
19162	求解x	3x^2+12x+12=0	$3 x^{2} + 12 x + 12 = 0$
19163	求解x	3x^2+12x+17=5	$3 x^{2} + 12 x + 17 = 5$
19164	求解x	3x^2+2x=0	$3 x^{2} + 2 x = 0$
19165	求解x	-3x^2+27=0	$- 3 x^{2} + 27 = 0$
19166	求解x	3x^2+6x-9=0	$3 x^{2} + 6 x - 9 = 0$
19167	求解x	2x-y+1=0	$2 x - y + 1 = 0$
19168	求解x	3(2^(x-1))=8	$3 (2^{x - 1}) = 8$
19169	求解x	3-30000/(x^2)=0	$3 - \frac{30000}{x^{2}} = 0$
19170	求解x	3e^(5x)=132	$3 e^{5 x} = 132$
19171	求解x	2x+4/(3 radice cubica di x)=0	$2 x + \frac{4}{3 \sqrt[3]{x}} = 0$
19172	求解x	2x-6=-2x+4(x-2)	$2 x - 6 = - 2 x + 4 (x - 2)$
19173	求解x	-2x-1+yi=3x-5i	$- 2 x - 1 + y i = 3 x - 5 i$
19174	求解x	2x-12 radice quadrata di x=0	$2 x - 12 \sqrt{x} = 0$
19175	求解x	-2x+18/x=0	$- 2 x + \frac{18}{x} = 0$
19176	求解x	2x+250/(x^2)=0	$2 x + \frac{250}{x^{2}} = 0$
19177	求解x	2x+(3456/x)=0	$2 x + (\frac{3456}{x}) = 0$
19178	求解x	2x+5y=1800	$2 x + 5 y = 1800$
19179	求解x	3x^2-24x+48=0	$3 x^{2} - 24 x + 48 = 0$
19180	求解x	3x^2-16x-20=0	$3 x^{2} - 16 x - 20 = 0$
19181	求解x	3x^2-24x-60=0	$3 x^{2} - 24 x - 60 = 0$
19182	求解x	3x^2-2x=0	$3 x^{2} - 2 x = 0$
19183	求解x	3x^2-4x-15=0	$3 x^{2} - 4 x - 15 = 0$
19184	求解x	3x^2-4=0	$3 x^{2} - 4 = 0$
19185	求解x	3x^2-10x+4=0	$3 x^{2} - 10 x + 4 = 0$
19186	求解x	3x^2-10x+7=0	$3 x^{2} - 10 x + 7 = 0$
19187	求解x	3x^2-16x+4=0	$3 x^{2} - 16 x + 4 = 0$
19188	求解x	3x^2-16x-12=0	$3 x^{2} - 16 x - 12 = 0$
19189	求解x	3x^2-18x+15=0	$3 x^{2} - 18 x + 15 = 0$
19190	Semplificare	logaritmo naturale di x	$\ln (x)$
19191	求解x	30=6(x^2+27000)^(1/3)-200	$30 = 6 {(x^{2} + 27000)}^{\frac{1}{3}} - 200$
19192	求解x	2sin(x)cos(x)-sin(2x)cos(2x)=0	$2 \sin (x) \cos (x) - \sin (2 x) \cos (2 x) = 0$
19193	求解x	3x^2-6x-45=0	$3 x^{2} - 6 x - 45 = 0$
19194	求解x	3-3 logaritmo naturale di x=0	$3 - 3 \ln (x) = 0$
19195	求解x	36x^2-24x=0	$36 x^{2} - 24 x = 0$
19196	求解x	36x^2-54x-36=0	$36 x^{2} - 54 x - 36 = 0$
19197	求解x	-32x=0	$- 32 x = 0$
19198	求解x	36x-9/2x^2=0	$36 x - \frac{9}{2} x^{2} = 0$
19199	求解x	3cos(x)-3sin(x)=0	$3 \cos (x) - 3 \sin (x) = 0$
19200	求解x	3x+8=7	$3 x + 8 = 7$