Mathway | Problemi più comuni

Problemi più comuni

Livello	Argomento	Problema	Problema formattato
19201	求解x	3x+7y+9=0	$3 x + 7 y + 9 = 0$
19202	求解x	3x+ logaritmo naturale di 3-x^3=0	$3 x + \ln (3) - x^{3} = 0$
19203	求解x	3x^2-6x+6=0	$3 x^{2} - 6 x + 6 = 0$
19204	求解x	375x^2-15=0	$375 x^{2} - 15 = 0$
19205	求解x	-3sin(x)=0	$- 3 \sin (x) = 0$
19206	求解x	logaritmo naturale di x^2=9	$\ln (x^{2}) = 9$
19207	求解a	(ax+b)/(x+c)=2	$\frac{a x + b}{x + c} = 2$
19208	求解z	logaritmo in base 8 di z-6=2- logaritmo in base 8 di z+15	$\log_{8} (z - 6) = 2 - \log_{8} (z + 15)$
19209	求解x	-3x^2+18x+165=0	$- 3 x^{2} + 18 x + 165 = 0$
19210	求解a	0=390-0.15a^2	$0 = 390 - 0.15 a^{2}$
19211	求解a	180=1/2*(a(65/a)^2)	$180 = \frac{1}{2} \cdot (a {(\frac{65}{a})}^{2})$
19212	求解a	230=1/2*(a(85/a)^2)	$230 = \frac{1}{2} \cdot (a {(\frac{85}{a})}^{2})$
19213	求解A	-360=-0.30A^2	$- 360 = - 0.3 A^{2}$
19214	求解z	6+(-7z+6)=-6(-2z-1)+5	$6 + (- 7 z + 6) = - 6 (- 2 z - 1) + 5$
19215	求解z	x=y/( radice quadrata di y^2+4)*z	$x = \frac{y}{\sqrt{y^{2} + 4}} \cdot z$
19216	求解y	z=0.30x+1.50y	$z = 0.3 x + 1.5 y$
19217	求解y	y-5=-5/8*(x+4)	$y - 5 = - \frac{5}{8} \cdot (x + 4)$
19218	求解y	y-4=-1/10*(x-2)	$y - 4 = - \frac{1}{10} \cdot (x - 2)$
19219	求解y	y-4=22	$y - 4 = 22$
19220	求解y	y-64=-1/48*(x-2)	$y - 64 = - \frac{1}{48} \cdot (x - 2)$
19221	求解y	y-8=5/8*(x-5)	$y - 8 = \frac{5}{8} \cdot (x - 5)$
19222	求解y	y=sin(x)x=pi/4	$y = \sin (x) x = \frac{π}{4}$
19223	求解y	y-3=12(x-2)	$y - 3 = 12 (x - 2)$
19224	求解y	y-3=2(x-1)	$y - 3 = 2 (x - 1)$
19225	求解y	y-3=6(x-1)	$y - 3 = 6 (x - 1)$
19226	求解y	y-4=-2/5*(x+5)	$y - 4 = - \frac{2}{5} \cdot (x + 5)$
19227	求解y	y-4=4(x-6)	$y - 4 = 4 (x - 6)$
19228	求解y	y-12=1/24*(x-144)	$y - 12 = \frac{1}{24} \cdot (x - 144)$
19229	求解y	y-14=-7/3*(x-6)	$y - 14 = - \frac{7}{3} \cdot (x - 6)$
19230	求解y	y-2=4(x-1)	$y - 2 = 4 (x - 1)$
19231	求解y	y=3z^7-7z^3+21z^2	$y = 3 z^{7} - 7 z^{3} + 21 z^{2}$
19232	求解y	y=4x^3-51x^2-180x+11	$y = 4 x^{3} - 51 x^{2} - 180 x + 11$
19233	求解y	y=sin(3pi)	$y = \sin (3 π)$
19234	求解y	y-1=1/2*(x-1)	$y - 1 = \frac{1}{2} \cdot (x - 1)$
19235	求解y	y-0=-1(x-1)	$y - 0 = - 1 (x - 1)$
19236	求导数 - d/d@VAR	f(x)=(x^2+1)^5	$f (x) = {(x^{2} + 1)}^{5}$
19237	求解y	y = natural log of 1	$y = \ln (1)$
19238	求解y	y = natural log of e^5	$y = \ln (e^{5})$
19239	求解y	y=5cos(20)	$y = 5 \cos (20)$
19240	求解y	y=4(-2)^3-48*-2-1	$y = 4 {(- 2)}^{3} - 48 \cdot - 2 - 1$
19241	求解y	y=(sin(x))/n	$y = \frac{\sin (x)}{n}$
19242	求解y	y+2=-1/2*(x-1)	$y + 2 = - \frac{1}{2} \cdot (x - 1)$
19243	求解y	y=(4)^3-4(4)^2-16*4-4	$y = {(4)}^{3} - 4 {(4)}^{2} - 16 \cdot 4 - 4$
19244	求解y	y=arctan(4(0.875))+ logaritmo naturale di 16(0.875)^2+1	$y = \arctan (4 (0.875)) + \ln (16 {(0.875)}^{2} + 1)$
19245	求解y	y=200(2^(4/3))	$y = 200 (2^{\frac{4}{3}})$
19246	求解y	y=x^2-2x	$y = x^{2} - 2 x$
19247	求解y	y=ce^(-x^2)+1/2	$y = c e^{- x^{2}} + \frac{1}{2}$
19248	求解y	y=(4x+8)/(x+3)	$y = \frac{4 x + 8}{x + 3}$
19249	求解y	y=-1/2x+9/2	$y = - \frac{1}{2} x + \frac{9}{2}$
19250	求解y	y=-(-5/3)^3-(-5/3)^2+5(-5/3)-3	$y = - {(- \frac{5}{3})}^{3} - {(- \frac{5}{3})}^{2} + 5 (- \frac{5}{3}) - 3$
19251	求解y	y+2.4y+1.7=1.7(y-3)	$y + 2.4 y + 1.7 = 1.7 (y - 3)$
19252	求解y	y=(-2/3)^3-2(-2/3)^2-4(-2/3)+6	$y = {(- \frac{2}{3})}^{3} - 2 {(- \frac{2}{3})}^{2} - 4 (- \frac{2}{3}) + 6$
19253	求解y	y=(-4/3)^3-(-4/3)^2-8(-4/3)-3	$y = {(- \frac{4}{3})}^{3} - {(- \frac{4}{3})}^{2} - 8 (- \frac{4}{3}) - 3$
19254	求解y	y=(3)^3-4(3)^2-3*3+4	$y = {(3)}^{3} - 4 {(3)}^{2} - 3 \cdot 3 + 4$
19255	求解y	logaritmo in base 6 di y=-3	$\log_{6} (y) = - 3$
19256	求解y	e^y=6	$e^{y} = 6$
19257	求解y	(dy)/(dx)=2x	$\frac{d y}{d x} = 2 x$
19258	求解y	(dy)/(dx)=5x-6	$\frac{d y}{d x} = 5 x - 6$
19259	求解y	9^(2+y^2)=225	$9^{2 + y^{2}} = 225$
19260	求解y	((x-3)^2)/100+((y-4)^2)/36=1	$\frac{{(x - 3)}^{2}}{100} + \frac{{(y - 4)}^{2}}{36} = 1$
19261	求解y	(dy)/(dx)=(x^2)/y	$\frac{d y}{d x} = \frac{x^{2}}{y}$
19262	求解y	15^2+y^2=625	$15^{2} + y^{2} = 625$
19263	求解y	11.25/(x+y)=5/y	$\frac{11.25}{x + y} = \frac{5}{y}$
19264	求解y	(d^2y)/(dx^2)-3x^2+xy=11	$\frac{d^{2} y}{d x^{2}} - 3 x^{2} + x y = 11$
19265	求解y	2^2+2y=10	$2^{2} + 2 y = 10$
19266	求解y	(d^2y)/(dx^2)+(dy)/(dx)+y=0	$\frac{d^{2} y}{d x^{2}} + \frac{d y}{d x} + y = 0$
19267	求解y	1/x+1/y=2	$\frac{1}{x} + \frac{1}{y} = 2$
19268	求解y	8/x+8/y=5	$\frac{8}{x} + \frac{8}{y} = 5$
19269	求解y	20^2+y^2=25^2	$20^{2} + y^{2} = 25^{2}$
19270	求解y	9/x+9/y=4	$\frac{9}{x} + \frac{9}{y} = 4$
19271	求解y	(4y-4)+2(y-2)=-50	$(4 y - 4) + 2 (y - 2) = - 50$
19272	求解y	(y-(-96))/(x-(-5))=40	$\frac{y - (- 96)}{x - (- 5)} = 40$
19273	求解y	x^2-3xy+y^2=1	$x^{2} - 3 x y + y^{2} = 1$
19274	求解y	y/(2y-x)=0	$\frac{y}{2 y - x} = 0$
19275	求解y	y^2-12y+19=0	$y^{2} - 12 y + 19 = 0$
19276	求解y	x^2+y^2=r^2	$x^{2} + y^{2} = r^{2}$
19277	求解y	x^2+y^2=169	$x^{2} + y^{2} = 169$
19278	求解y	radice quarta di 2y-4=1	$\sqrt[4]{2 y - 4} = 1$
19279	求解y	x^2-y^2=1	$x^{2} - y^{2} = 1$
19280	求解x	y=x^2-x	$y = x^{2} - x$
19281	求解y	x^2+xarctan(y)=y-1	$x^{2} + x \arctan (y) = y - 1$
19282	求解y	x^2+xy-y^2=-1	$x^{2} + x y - y^{2} = - 1$
19283	求在x=π/2处的切线	y=cos(x) at x=pi/2	$x^{2} \cos (y) + \sin (2 y) = x y$
19284	求解y	x^3+y^3=6xy	$x^{3} + y^{3} = 6 x y$
19285	求解y	x^3-2x^2y+3xy^2=38	$x^{3} - 2 x^{2} y + 3 x y^{2} = 38$
19286	求解y	x^y=y^x	$x^{y} = y^{x}$
19287	求解y	y^2=4x	$y^{2} = 4 x$
19288	求解y	0=arcsin(y)	$0 = \arcsin (y)$
19289	求解y	y^4+12y^3+104y^2+408y+1156=0	$y^{4} + 12 y^{3} + 104 y^{2} + 408 y + 1156 = 0$
19290	求解y	16x^2+25y^2=400	$16 x^{2} + 25 y^{2} = 400$
19291	求解y	12x-y+9=0	$12 x - y + 9 = 0$
19292	求解y	16x-6y=0	$16 x - 6 y = 0$
19293	求解y	2x^2+y^2-7=0	$2 x^{2} + y^{2} - 7 = 0$
19294	求解y	20xdx+dy=0	$20 x d x + d y = 0$
19295	求解y	9x^2-y^3-9=0	$9 x^{2} - y^{3} - 9 = 0$
19296	求解y	6y-5000=y	$6 y - 5000 = y$
19297	求解y	4x+5y=xy	$4 x + 5 y = x y$
19298	求解y	(5y^4dy)/(dx)=2x	$\frac{5 y^{4} d y}{d x} = 2 x$
19299	求解y	2x-2y=0	$2 x - 2 y = 0$
19300	求解y	2.8y=y^3	$2.8 y = y^{3}$