Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
18201	Combiner	1/(9b)+5/(6b)	$\frac{1}{9 b} + \frac{5}{6 b}$
18202	Combiner	1/(9z)+5/(6z)	$\frac{1}{9 z} + \frac{5}{6 z}$
18203	Combiner	1/a+2/b	$\frac{1}{a} + \frac{2}{b}$
18204	Combiner	1/(y-2)+1/y	$\frac{1}{y - 2} + \frac{1}{y}$
18205	Combiner	(10n+1)/(m^2n)-5/(mn)	$\frac{10 n + 1}{m^{2} n} - \frac{5}{m n}$
18206	Combiner	11/2a+13/7b-2/3a-5/14b-37	$\frac{11}{2} a + \frac{13}{7} b - \frac{2}{3} a - \frac{5}{14} b - 37$
18207	Combiner	11/3-1/4	$\frac{11}{3} - \frac{1}{4}$
18208	Combiner	(11y)/45-5/9	$\frac{11 y}{45} - \frac{5}{9}$
18209	Combiner	14/9k+11/9-2k+2/9+2/9k-5	$\frac{14}{9} k + \frac{11}{9} - 2 k + \frac{2}{9} + \frac{2}{9} k - 5$
18210	Combiner	18/171/362/3	$\frac{18}{17} \cdot \frac{1}{36} \cdot \frac{2}{3}$
18211	Combiner	5c+d-9c+4d	$5 c + d - 9 c + 4 d$
18212	Combiner	(2y^4)/5-(9y^2)/10	$\frac{2 y^{4}}{5} - \frac{9 y^{2}}{10}$
18213	Combiner	2/(n^2)+6/n	$\frac{2}{n^{2}} + \frac{6}{n}$
18214	Combiner	2/(t^8)+6t^(24-4t^-16)	$\frac{2}{t^{8}} + 6 t^{24 - 4 t^{- 16}}$
18215	Combiner	2/(15a)-4/(21a^2)	$\frac{2}{15 a} - \frac{4}{21 a^{2}}$
18216	Combiner	2/19-5/19	$\frac{2}{19} - \frac{5}{19}$
18217	Combiner	2/3-1/4-1/8	$\frac{2}{3} - \frac{1}{4} - \frac{1}{8}$
18218	Combiner	2/3+3/8	$\frac{2}{3} + \frac{3}{8}$
18219	Factoriser	w-t-3+3w+4t	$w - t - 3 + 3 w + 4 t$
18220	Factoriser	25-36m^4	$25 - 36 m^{4}$
18221	Factoriser	y(5y^2+8y-21)	$y (5 y^{2} + 8 y - 21)$
18222	Factoriser	y(p-2q)(p-2q)+y(2q-p)(2p-p)	$y (p - 2 q) (p - 2 q) + y (2 q - p) (2 p - p)$
18223	Factoriser	-y(y-3)	$- y (y - 3)$
18224	Factoriser	yy^2y^5	$y \cdot y^{2} \cdot y^{5}$
18225	Factoriser	y4215	$y \cdot 42 \cdot 15$
18226	Factoriser	y-y/2	$y - \frac{y}{2}$
18227	Factoriser	y+(y-1)	$y + (y - 1)$
18228	Factoriser	y+3z-2	$y + 3 z - 2$
18229	Factoriser	y+6y-16	$y + 6 y - 16$
18230	Factoriser	y-0	$y - 0$
18231	Factoriser	y-100y+5000	$y - 100 y + 5000$
18232	Factoriser	y-2x+3=0	$y - 2 x + 3 = 0$
18233	Factoriser	y-3-3	$y - 3 - 3$
18234	Factoriser	y+8=40	$y + 8 = 40$
18235	Factoriser	y-b-(y-b)^2	$y - b - {(y - b)}^{2}$
18236	Factoriser	yv+2u-7v-14	$y v + 2 u - 7 v - 14$
18237	Factoriser	yw-5y-7w+35	$y w - 5 y - 7 w + 35$
18238	Factoriser	z(z-8y)-15y(z-8y)	$z (z - 8 y) - 15 y (z - 8 y)$
18239	Factoriser	z*(9z)-9	$z \cdot (9 z) - 9$
18240	Factoriser	z+3\|z\|-10	$z + 3 \| z \| - 10$
18241	Factoriser	z+5	$z + 5$
18242	Factoriser en regroupant	x^2y^2-4x^2-4y^2+16	$x^{2} y^{2} - 4 x^{2} - 4 y^{2} + 16$
18243	Factoriser en regroupant	y^2-4*(-4y)+16	$y^{2} - 4 \cdot (- 4 y) + 16$
18244	Factoriser en regroupant	9u^3-15u^2+15u-25	$9 u^{3} - 15 u^{2} + 15 u - 25$
18245	Evaluer en utilisant la valeur donnée	0 , 1x^2+x-600=0	$0$ , $1 x^{2} + x - 600 = 0$
18246	Arrondir au dixième le plus proche	0.79	$0.79$
18247	Combiner	((5a^2-a)/(25a^2-10a+1)+4/(1-25a^2))÷(1-3/(5a-1))-a/(5a+1)	$(\frac{5 a^{2} - a}{25 a^{2} - 10 a + 1} + \frac{4}{1 - 25 a^{2}}) \div (1 - \frac{3}{5 a - 1}) - \frac{a}{5 a + 1}$
18248	Combiner	(-0.07÷2510^-6)÷c(29m)+29c	$- 0.07 \div 25 \cdot 10^{- 6} \div c \cdot (29 m) + 29 c$
18249	Combiner	(1+1/2+1/3)-(1-1/2-4/3)	$(1 + \frac{1}{2} + \frac{1}{3}) - (1 - \frac{1}{2} - \frac{4}{3})$
18250	Combiner	(-14-12i)-(6-12i)	$(- 14 - 12 i) - (6 - 12 i)$
18251	Combiner	(2)4/2+(57)÷(3/9)-6	$(2) \cdot \frac{4}{2} + 5 \cdot 7 \div \frac{3}{9} - 6$
18252	Combiner	(2a^2+3a-4)-(a^2-2a-6)	$(2 a^{2} + 3 a - 4) - (a^{2} - 2 a - 6)$
18253	Combiner	(2a-4b)-2y	$(2 a - 4 b) - 2 y$
18254	Combiner	(3a^2-2a-a^3)-(5^2-a^3-8a)	$(3 a^{2} - 2 a - a^{3}) - (5^{2} - a^{3} - 8 a)$
18255	Combiner	(3+8)2+8^5-10y	$(3 + 8) \cdot 2 + 8^{5} - 10 \cdot y$
18256	Combiner	(3-7k)-2	$(3 - 7 k) - 2$
18257	Combiner	-4 3/4-2 1/8	$- 4 \frac{3}{4} - 2 \frac{1}{8}$
18258	Combiner	(42 racine carrée de -7)-6	$(42 \sqrt{- 7}) - 6$
18259	Combiner	(4a-2b+9c)-2a+2b-4c	$(4 a - 2 b + 9 c) - 2 a + 2 b - 4 c$
18260	Combiner	(5b)/(4a)+(3a)/(8b)+(7c)/(2ab)	$\frac{5 b}{4 a} + \frac{3 a}{8 b} + \frac{7 c}{2 a b}$
18261	Combiner	(-5i)-(6-4i)	$(- 5 i) - (6 - 4 i)$
18262	Combiner	(6m^4-6m^2+m)-(8m^3+9m^2+3m)(m^2-m)	$(6 m^{4} - 6 m^{2} + m) - (8 m^{3} + 9 m^{2} + 3 m) (m^{2} - m)$
18263	Combiner	(60-k)-6	$(60 - k) - 6$
18264	Combiner	(9y^2-4)*18-6y	$(9 y^{2} - 4) \cdot 18 - 6 y$
18265	Combiner	0.04y-1.9	$0.04 y - 1.9$
18266	Combiner	600+0.75(y-480)+(400-30000.04+0.25y)+500(800+0.2(600)+3000(1))-1(0.2y-77001)	$600 + 0.75 (y - 480) + (400 - 3000 \cdot 0.04 + 0.25 y) + 500 (800 + 0.2 (600) + 3000 (1)) - 1 (0.2 y - 7700 \cdot 1)$
18267	Combiner	(1+1/s)^2-(1-1/s)^2	${(1 + \frac{1}{s})}^{2} - {(1 - \frac{1}{s})}^{2}$
18268	Combiner	(2a-b)^2-16(3c-d)^2	${(2 a - b)}^{2} - 16 {(3 c - d)}^{2}$
18269	Combiner	(5a)^3-(2b)^3	${(5 a)}^{3} - {(2 b)}^{3}$
18270	Combiner	(a+3b)^2-3b(2a+3b)	${(a + 3 b)}^{2} - 3 b (2 a + 3 b)$
18271	Combiner	(m+2n)/(8n^2)+(2m+4n)/(8n^2)	$\frac{m + 2 n}{8 n^{2}} + \frac{2 m + 4 n}{8 n^{2}}$
18272	Combiner	-\|a+21\|+6.2	$- \| a + 21 \| + 6.2$
18273	Combiner	1/2+3/22+5/11	$\frac{1}{2} + \frac{3}{22} + \frac{5}{11}$
18274	Combiner	1/2+5/6	$\frac{1}{2} + \frac{5}{6}$
18275	Combiner	1/4+4/z	$\frac{1}{4} + \frac{4}{z}$
18276	Factoriser	p^2+3	$p^{2} + 3$
18277	Factoriser	p-32p+43	$p - 32 p + 43$
18278	Factoriser	pa+qa-ra+rb-qb-pb	$p a + q a - r a + r b - q b - p b$
18279	Factoriser	Ph+2B	$P h + 2 B$
18280	Factoriser	pp+10p+24	$p p + 10 p + 24$
18281	Factoriser	-q-3q=4	$- q - 3 q = 4$
18282	Factoriser	r(z^2-6)+(z^2-6)	$r (z^{2} - 6) + (z^{2} - 6)$
18283	Factoriser	r(z^5-8)-(z^5-8)	$r (z^{5} - 8) - (z^{5} - 8)$
18284	Factoriser	r-1/3r	$r - \frac{1}{3} r$
18285	Factoriser	rs+4st	$r s + 4 s t$
18286	Factoriser	(10÷(0.75+1))÷(1/7)	$10 \div (0.75 + 1) \div \frac{1}{7}$
18287	Factoriser	sin(120)-cos(60)	$\sin (120) - \cos (60)$
18288	Factoriser	sin(30)+cos(60)	$\sin (30) + \cos (60)$
18289	Factoriser	t(t^2-11t+10)	$t (t^{2} - 11 t + 10)$
18290	Factoriser	t-25/60	$t - \frac{25}{60}$
18291	Factoriser	t÷4+32	$t \div 4 + 32$
18292	Factoriser	tu+t+3u+3	$t u + t + 3 u + 3$
18293	Factoriser	v(9w-4)+4(4-9w)	$v (9 w - 4) + 4 (4 - 9 w)$
18294	Factoriser	v+8-14	$v + 8 - 14$
18295	Factoriser	v-8=9	$v - 8 = 9$
18296	Factoriser	w((144-12w)/12)	$w (\frac{144 - 12 w}{12})$
18297	Factoriser	w+28=23	$w + 28 = 23$
18298	Factoriser	w÷(w-2)	$w \div (w - 2)$
18299	Factoriser	gm+gn-gp	$g m + g n - g p$
18300	Factoriser	(graph(2y))/3+4	$\frac{g r a p h (2 y)}{3} + 4$