Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
23201	Déterminer les types de nombres	l=(5.8,9)	$l = (5.8, 9)$ $l = (5.8, 9)$
23202	Trouver le nombre de possibilités	9 choisir 12	$9 C 12$ ${}_{9}C_{12}$
23203	Évaluer	(12!)/(8!*4!)	$\frac{12!}{8! \cdot 4!}$ $\frac{12!}{8! \cdot 4!}$
23204	Évaluer	(2-3.281)^2	${(2 - 3.281)}^{2}$ ${(2 - 3.281)}^{2}$
23205	Resolva para f	1/20f=10000	$\frac{1}{20} f = 10000$ $\frac{1}{20} f = 10000$
23206	Déterminer les types de nombres	{1/6,1/7,1/8}	${\frac{1}{6}, \frac{1}{7}, \frac{1}{8}}$ ${\frac{1}{6}, \frac{1}{7}, \frac{1}{8}}$
23207	Déterminer les types de nombres	{0,3,6,9}	${0, 3, 6, 9}$ ${0, 3, 6, 9}$
23208	Déterminer les types de nombres	{1,2,3,4}	${1, 2, 3, 4}$ ${1, 2, 3, 4}$
23209	Resolva para x	x=-y-2	$x = - y - 2$ $x = - y - 2$
23210	Resolva para x	x-2y<4	$x - 2 y < 4$ $x - 2 y < 4$
23211	Resolva para x	y<=x-1	$y \leq x - 1$ $y \leq x - 1$
23212	Resolva para x	y<-4x-4	$y < - 4 x - 4$ $y < - 4 x - 4$
23213	Resolva para x	y=1/7x+1	$y = \frac{1}{7} x + 1$ $y = \frac{1}{7} x + 1$
23214	Resolva para x	y=1/7x+3	$y = \frac{1}{7} x + 3$ $y = \frac{1}{7} x + 3$
23215	Resolva para x	y=-x^2+6x-7	$y = - x^{2} + 6 x - 7$ $y = - x^{2} + 6 x - 7$
23216	Resolva para x	y=x^2-49	$y = x^{2} - 49$ $y = x^{2} - 49$
23217	Resolva para x	(12+x)/-4=(5x-7)/3+7	$\frac{12 + x}{- 4} = \frac{5 x - 7}{3} + 7$ $\frac{12 + x}{- 4} = \frac{5 x - 7}{3} + 7$
23218	Resolva para x	10-\|8-x\|=-6	$10 - \| 8 - x \| = - 6$ $10 - \| 8 - x \| = - 6$
23219	Resolva para x	y=2x-4	$y = 2 x - 4$ $y = 2 x - 4$
23220	Resolva para x	y=4x+2	$y = 4 x + 2$ $y = 4 x + 2$
23221	Resolva para x	y>x^2+4x	$y > x^{2} + 4 x$ $y > x^{2} + 4 x$
23222	Resolva para x	y-x<4	$y - x < 4$ $y - x < 4$
23223	Resolva para x	(x+5)(x^2-3x-10)=0	$(x + 5) (x^{2} - 3 x - 10) = 0$ $(x + 5) (x^{2} - 3 x - 10) = 0$
23224	Resolva para x	e^(x+1)+e^x=2	$e^{x + 1} + e^{x} = 2$ $e^{x + 1} + e^{x} = 2$
23225	Resolva para y	2iy+2-4i=0	$2 i y + 2 - 4 i = 0$ $2 i y + 2 - 4 i = 0$
23226	Resolva para x	4x^2+ racine carrée de 7x+2=0	$4 x^{2} + \sqrt{7 x} + 2 = 0$ $4 x^{2} + \sqrt{7 x} + 2 = 0$
23227	Resolva para x	5x-5=5	$5 x - 5 = 5$ $5 x - 5 = 5$
23228	Resolva para @VAR	h=-16t^2+112t+704	$h = - 16 t^{2} + 112 t + 704$ $h = - 16 t^{2} + 112 t + 704$
23229	Resolva para x	p=6x+10t+2z	$p = 6 x + 10 t + 2 z$ $p = 6 x + 10 t + 2 z$
23230	Resolva para x	r(9)=6/(x-8)	$r (9) = \frac{6}{x - 8}$ $r (9) = \frac{6}{x - 8}$
23231	Resolva para x	R=37x	$R = 37 x$ $R = 37 x$
23232	Resolva para x	x+2y+5z=16	$x + 2 y + 5 z = 16$ $x + 2 y + 5 z = 16$
23233	Resolva para x	y=x^(2+3)	$y = x^{2 + 3}$ $y = x^{2 + 3}$
23234	Resolva para x	y=x^5+7	$y = x^{5} + 7$ $y = x^{5} + 7$
23235	Resolva para x	y=2x^2-4x-5	$y = 2 x^{2} - 4 x - 5$ $y = 2 x^{2} - 4 x - 5$
23236	Resolva para x	y=32x+50 , 0	$y = 32 x + 50$ $y = 32 x + 50$ , $0$ $0$
23237	Resolva para x	z=2x+5y	$z = 2 x + 5 y$ $z = 2 x + 5 y$
23238	Resolva para x	((m/n)/k)=((m/n)/(k-1))(m-(k-1)n)/(kn)	$(\frac{\frac{m}{n}}{k}) = (\frac{\frac{m}{n}}{k - 1}) \cdot \frac{m - (k - 1) n}{k \cdot n}$ $(\frac{\frac{m}{n}}{k}) = (\frac{\frac{m}{n}}{k - 1}) \cdot \frac{m - (k - 1) n}{k \cdot n}$
23239	Resolva para x	(-32)m=0	$(- 32) m = 0$ $(- 32) m = 0$
23240	Resolva para x	(x^2+13)/(3x^2-11x-20)+-2/(x-5)=2/(3x+4)	$\frac{x^{2} + 13}{3 x^{2} - 11 x - 20} + \frac{- 2}{x - 5} = \frac{2}{3 x + 4}$ $\frac{x^{2} + 13}{3 x^{2} - 11 x - 20} + \frac{- 2}{x - 5} = \frac{2}{3 x + 4}$
23241	Resolva para x	\|((1+i)^2)/((1-i)^2)+2/(x+iy)\|=2+2i	$∣ ∣ ∣ ∣ \frac{{(1 + i)}^{2}}{{(1 - i)}^{2}} + \frac{2}{x + i y} ∣ ∣ ∣ ∣ = 2 + 2 i$ $\| \frac{{(1 + i)}^{2}}{{(1 - i)}^{2}} + \frac{2}{x + i y} \| = 2 + 2 i$
23242	Resolva para x	\|(9x-6)/4\|=10	$∣ ∣ ∣ \frac{9 x - 6}{4} ∣ ∣ ∣ = 10$ $\| \frac{9 x - 6}{4} \| = 10$
23243	Resolva para x	\|2x-1\|=4	$\| 2 x - 1 \| = 4$ $\| 2 x - 1 \| = 4$
23244	Resolva para x	\|3x+4\|=-10	$\| 3 x + 4 \| = - 10$ $\| 3 x + 4 \| = - 10$
23245	Resolva para x	\|4x+7\|=x+1	$\| 4 x + 7 \| = x + 1$ $\| 4 x + 7 \| = x + 1$
23246	Resolva para x	1/3*(9-2x)=x+1	$\frac{1}{3} \cdot (9 - 2 x) = x + 1$ $\frac{1}{3} \cdot (9 - 2 x) = x + 1$
23247	Resolva para x	-1/3x+6=-4/3x+18	$- \frac{1}{3} x + 6 = - \frac{4}{3} x + 18$ $- \frac{1}{3} x + 6 = - \frac{4}{3} x + 18$
23248	Resolva para x	2/(x-3)=5/(x+1)	$\frac{2}{x - 3} = \frac{5}{x + 1}$ $\frac{2}{x - 3} = \frac{5}{x + 1}$
23249	Resolva para x	(-2x+3)/3+5/3=-(6x)/7	$\frac{- 2 x + 3}{3} + \frac{5}{3} = - \frac{6 x}{7}$ $\frac{- 2 x + 3}{3} + \frac{5}{3} = - \frac{6 x}{7}$
23250	Resolva para x	4/3x+16=2x+20	$\frac{4}{3} x + 16 = 2 x + 20$ $\frac{4}{3} x + 16 = 2 x + 20$
23251	Resolva para x	-4/3x+16=2x+20	$- \frac{4}{3} x + 16 = 2 x + 20$ $- \frac{4}{3} x + 16 = 2 x + 20$
23252	Resolva para x	-4/3x+16=-2x+20	$- \frac{4}{3} x + 16 = - 2 x + 20$ $- \frac{4}{3} x + 16 = - 2 x + 20$
23253	Resolva para x	(-4x+5)/5+9/5=-(3x)/2	$\frac{- 4 x + 5}{5} + \frac{9}{5} = - \frac{3 x}{2}$ $\frac{- 4 x + 5}{5} + \frac{9}{5} = - \frac{3 x}{2}$
23254	Resolva para x	(-500x+1426)/500=0	$\frac{- 500 x + 1426}{500} = 0$ $\frac{- 500 x + 1426}{500} = 0$
23255	Resolva para x	5x^(2/3)-9x^(1/3)-2=0	$5 x^{\frac{2}{3}} - 9 x^{\frac{1}{3}} - 2 = 0$ $5 x^{\frac{2}{3}} - 9 x^{\frac{1}{3}} - 2 = 0$
23256	Resolva para x	(dy)/(dx)=3	$\frac{d y}{d x} = 3$ $\frac{d y}{d x} = 3$
23257	Resolva para x	g/f(-3)=(5-2(-3)^2)/(6-2-3)	$\frac{g}{f} \cdot (- 3) = \frac{5 - 2 {(- 3)}^{2}}{6 - 2 \cdot - 3}$ $\frac{g}{f} \cdot (- 3) = \frac{5 - 2 {(- 3)}^{2}}{6 - 2 \cdot - 3}$
23258	Resolva para x	base logarithmique 3 de 5+ base logarithmique 3 de x=0	${log}_{3} (5) + {log}_{3} (x) = 0$ $\log_{3} (5) + \log_{3} (x) = 0$
23259	Resolva para x	s^2=1.9320-(1.05)^2	$s^{2} = 1.932 - {(1.05)}^{2}$ $s^{2} = 1.932 - {(1.05)}^{2}$
23260	Resolva para x	x^2+(y-2)^2=36	$x^{2} + {(y - 2)}^{2} = 36$ $x^{2} + {(y - 2)}^{2} = 36$
23261	Resolva para x	y^2+2y-35=0	$y^{2} + 2 y - 35 = 0$ $y^{2} + 2 y - 35 = 0$
23262	Resolva para x	y^2+2y-48=-6	$y^{2} + 2 y - 48 = - 6$ $y^{2} + 2 y - 48 = - 6$
23263	Resolva para x	0.002q-0.38=-0.008q+4.692	$0.002 q - 0.38 = - 0.008 q + 4.692$ $0.002 q - 0.38 = - 0.008 q + 4.692$
23264	Resolva para x	0.3a+0.4b=60	$0.3 a + 0.4 b = 60$ $0.3 a + 0.4 b = 60$
23265	Resolva para x	0.7x-0.3=0.6x+0.4	$0.7 x - 0.3 = 0.6 x + 0.4$ $0.7 x - 0.3 = 0.6 x + 0.4$
23266	Resolva para x	1-7/a=8	$1 - \frac{7}{a} = 8$ $1 - \frac{7}{a} = 8$
23267	Resolva para x	10x-5x-3x=0	$10 x - 5 x - 3 x = 0$ $10 x - 5 x - 3 x = 0$
23268	Resolva para x	12r=1.5	$12 r = 1.5$ $12 r = 1.5$
23269	Resolva para x	-15=(-2)^8+b	$- 15 = {(- 2)}^{8} + b$ $- 15 = {(- 2)}^{8} + b$
23270	Resolva para x	154-0.7x=187-0.85(x+36)	$154 - 0.7 x = 187 - 0.85 (x + 36)$
23271	Resolva para x	16x^2+9y^2=144	$16 x^{2} + 9 y^{2} = 144$
23272	Resolva para x	2x^2-3x=-1	$2 x^{2} - 3 x = - 1$
23273	Resolva para x	2x^3-6x-8=0	$2 x^{3} - 6 x - 8 = 0$
23274	Resolva para x	2=4^(4x+4)	$2 = 4^{4 x + 4}$
23275	Resolva para x	2a-3c=-7	$2 a - 3 c = - 7$
23276	Resolva para x	2x+y=36	$2 x + y = 36$
23277	Resolva para x	2y=10	$2 y = 10$
23278	Resolva para x	3(1+2x)=243	$3 (1 + 2 x) = 243$
23279	Resolva para x	3(x-9)=6(x+8)-x	$3 (x - 9) = 6 (x + 8) - x$
23280	Resolva para x	3.4p-5.9=-0.9+2.4p	$3.4 p - 5.9 = - 0.9 + 2.4 p$
23281	Resolva para x	-3=p2+500/(7(p2-500))	$- 3 = p \cdot 2 + \frac{500}{7 (p \cdot 2 - 500)}$
23282	Resolva para x	35-5y=0	$35 - 5 y = 0$
23283	Resolva para x	3 logarithme de 4+5 logarithme de 2=x	$3 \log (4) + 5 \log (2) = x$
23284	Resolva para x	3x+2y=48	$3 x + 2 y = 48$
23285	Resolva para x	-3x+4y+5z=8	$- 3 x + 4 y + 5 z = 8$
23286	Resolva para x	3x+4y=-14	$3 x + 4 y = - 14$
23287	Resolva para x	4(y+1)=-8	$4 (y + 1) = - 8$
23288	Resolva para x	4(y+2)=5(y-8)	$4 (y + 2) = 5 (y - 8)$
23289	Resolva para x	414.50-17=0.75x+17-17	$414.5 - 17 = 0.75 x + 17 - 17$
23290	Resolva para x	4x+y-z=-7	$4 x + y - z = - 7$
23291	Resolva para x	4x-7y=14	$4 x - 7 y = 14$
23292	Resolva para x	4y+8=5y-5	$4 y + 8 = 5 y - 5$
23293	Resolva para x	5x^2+5x=-1	$5 x^{2} + 5 x = - 1$
23294	Resolva para x	5000=(100((1.01)^n-1))/0.01	$5000 = \frac{100 ({(1.01)}^{n} - 1)}{0.01}$
23295	Resolva para x	5-9(x+3)-5=5+3(9-3x)-18	$5 - 9 (x + 3) - 5 = 5 + 3 (9 - 3 x) - 18$
23296	Resolva para x	(5x)÷2-4=2x-7÷7	$5 x \div 2 - 4 = 2 x - 7 \div 7$
23297	Resolva para x	-6x+5y=1	$- 6 x + 5 y = 1$
23298	Resolva para x	6x-2+7=4x+5-6x	$6 x - 2 + 7 = 4 x + 5 - 6 x$
23299	Resolva para x	6x-20=8x-13	$6 x - 20 = 8 x - 13$
23300	Resolva para x	7(5x+8)+(x*4)=12	$7 (5 x + 8) + (x \cdot 4) = 12$