Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
18101	Combiner	5v^2-30v+40	$5 v^{2} - 30 v + 40$
18102	Combiner	5w^2 racine carrée de 72w^3+ racine carrée de 18w^5	$5 w^{2} \sqrt{72 w^{3}} + \sqrt{18 w^{5}}$
18103	Combiner	5-4	$5 - 4$
18104	Combiner	5f+f-9f	$5 f + f - 9 f$
18105	Combiner	5g-4-9-5g	$5 g - 4 - 9 - 5 g$
18106	Combiner	5j-7j+4j+12j-10j	$5 j - 7 j + 4 j + 12 j - 10 j$
18107	Combiner	5w-6(-6z+3w)+4z	$5 w - 6 (- 6 z + 3 w) + 4 z$
18108	Combiner	100(2 1/2)30	$100 \cdot (2 \frac{1}{2}) \cdot 30$
18109	Combiner	10011two+10011two+11100 two	$10011 t w o + 10011 t w o + 11100$ two
18110	Combiner	10y^4-25y^3-(15y^2)÷5y^2	$10 y^{4} - 25 y^{3} - 15 y^{2} \div 5 y^{2}$
18111	Soustraire	14-8	$14 - 8$
18112	Soustraire	3-9	$3 - 9$
18113	Soustraire	-4-(-4)	$- 4 - (- 4)$
18114	Soustraire	-5-7	$- 5 - 7$
18115	Arrondir au dixième le plus proche	88.27	$88.27$
18116	Combiner	(7zy)/(z^2-y^2)+(3z-y)/(z+y)	$\frac{7 z y}{z^{2} - y^{2}} + \frac{3 z - y}{z + y}$
18117	Combiner	8/(5d)-7/(4d)	$\frac{8}{5 d} - \frac{7}{4 d}$
18118	Combiner	9/(10v)+5/(4v^2)	$\frac{9}{10 v} + \frac{5}{4 v^{2}}$
18119	Combiner	-9/(8v^3)-7/(6v^2)	$\frac{- 9}{8 v^{3}} - \frac{7}{6 v^{2}}$
18120	Combiner	a/3-3/5-2/3	$\frac{a}{3} - \frac{3}{5} - \frac{2}{3}$
18121	Combiner	a/6+3/2+a/3	$\frac{a}{6} + \frac{3}{2} + \frac{a}{3}$
18122	Combiner	a/(8a-3b)-b/(3b-8a)	$\frac{a}{8 a - 3 b} - \frac{b}{3 b - 8 a}$
18123	Combiner	a/(a+b)-b/(b-a)	$\frac{a}{a + b} - \frac{b}{b - a}$
18124	Combiner	2^2014-2^2013	$2^{2014} - 2^{2013}$
18125	Combiner	29/(12s)+19/(12s)	$\frac{29}{12 s} + \frac{19}{12 s}$
18126	Combiner	3/4y+16y-1/3y	$\frac{3}{4} y + 16 y - \frac{1}{3} y$
18127	Combiner	3/4-3/8	$\frac{3}{4} - \frac{3}{8}$
18128	Combiner	3/4+1/2+1/3	$\frac{3}{4} + \frac{1}{2} + \frac{1}{3}$
18129	Combiner	3/(4c)+2/(3c)	$\frac{3}{4 c} + \frac{2}{3 c}$
18130	Combiner	3/7+1/3+1/21	$\frac{3}{7} + \frac{1}{3} + \frac{1}{21}$
18131	Factoriser	z-10	$z - 10$
18132	Factoriser	z-2z	$z - 2 z$
18133	Factoriser	z-4	$z - 4$
18134	Factoriser	z-7z	$z - 7 z$
18135	Factoriser	z-n	$z - n$
18136	Factoriser	zy+3z-2z^2	$z y + 3 z - 2 z^{2}$
18137	Factoriser	zy-10z+6y-60	$z y - 10 z + 6 y - 60$
18138	Factoriser	3c+2-(9c^2-3c-6)	$3 c + 2 - (9 c^{2} - 3 c - 6)$
18139	Factoriser	a-1-(a^2)/1	$a - 1 - \frac{a^{2}}{1}$
18140	Factoriser	a-2(2b-3c)	$a - 2 (2 b - 3 c)$
18141	Factoriser	a-4+7a+11	$a - 4 + 7 a + 11$
18142	Factoriser	a-5a-3a	$a - 5 a - 3 a$
18143	Factoriser	-a-9+a-18	$- a - 9 + a - 18$
18144	Combiner	a^2+36b^2c^2+12a^(4bc)	$a^{2} + 36 b^{2} c^{2} + 12 a^{4 b c}$
18145	Combiner	a^2-2a^2b-24ab^2+12ab	$a^{2} - 2 a^{2} b - 24 a b^{2} + 12 a b$
18146	Combiner	a^3-4a^2+8a-32	$a^{3} - 4 a^{2} + 8 a - 32$
18147	Combiner	b/2+9/5	$\frac{b}{2} + \frac{9}{5}$
18148	Combiner	b/3-2/3	$\frac{b}{3} - \frac{2}{3}$
18149	Combiner	(b-17)/(c^2+2)(a^3)/(b^3)(c^3)/(b-17)	$\frac{b - 17}{c^{2} + 2} \cdot \frac{a^{3}}{b^{3}} \cdot \frac{c^{3}}{b - 17}$
18150	Combiner	-c^2-30c+27	$- c^{2} - 30 c + 27$
18151	Combiner	(cos(x))/(sin(90+x))+(sin(-x))/(sin(180+x))-(tan(90+x))/(cot(x))	$\frac{\cos (x)}{\sin (90 + x)} + \frac{\sin (- x)}{\sin (180 + x)} - \frac{\tan (90 + x)}{\cot (x)}$
18152	Combiner	-h^3-2h^2+4h^3-h^2+5	$- h^{3} - 2 h^{2} + 4 h^{3} - h^{2} + 5$
18153	Combiner	k/(k-5)+(k-1)/(k+5)	$\frac{k}{k - 5} + \frac{k - 1}{k + 5}$
18154	Combiner	n^2+n	$n^{2} + n$
18155	Combiner	n^2-7n-8	$n^{2} - 7 n - 8$
18156	Combiner	pi/(pi-q)-q/(q-pi)	$\frac{π}{π - q} - \frac{q}{q - π}$
18157	Combiner	p^2-30p+c	$p^{2} - 30 p + c$
18158	Combiner	(p-1)/3+(p+1)/4	$\frac{p - 1}{3} + \frac{p + 1}{4}$
18159	Combiner	r/25-(1/r)÷(3/25)-3/(5r)	$\frac{r}{25} - \frac{1}{r} \div \frac{3}{25} - \frac{3}{5 r}$
18160	Combiner	t^2+3/(t^4-16)+7/(16-t^4)	$t^{2} + \frac{3}{t^{4} - 16} + \frac{7}{16 - t^{4}}$
18161	Combiner	(t-10)/(t^2-t-6)-(t+5)/(t^2+3t+2)	$\frac{t - 10}{t^{2} - t - 6} - \frac{t + 5}{t^{2} + 3 t + 2}$
18162	Combiner	racine carrée de 243y^3+4y racine carrée de 3y	$\sqrt{243 y^{3}} + 4 y \sqrt{3 y}$
18163	Combiner	racine carrée de 2a- racine carrée de 4a	$\sqrt{2 \cdot a} - \sqrt{4 \cdot a}$
18164	Combiner	racine cubique de 37+30 racine carrée de 3+ racine carrée de 61-28 racine carrée de 3 solve	$\sqrt[3]{37 + 30 \sqrt{3}} + \sqrt{61 - 28 \sqrt{3}}$ solve
18165	Combiner	racine huitième de 5+2 racine carrée de 45	$\sqrt[8]{5} + 2 \sqrt{45}$
18166	Combiner	y/5+y/2	$\frac{y}{5} + \frac{y}{2}$
18167	Combiner	y/(y-3)*(y+1)/y+2	$\frac{y}{y - 3} \cdot \frac{y + 1}{y} + 2$
18168	Combiner	y^3-2y^2-4y-8	$y^{3} - 2 y^{2} - 4 y - 8$
18169	Combiner	-4-7+(-3-4-5-8)	$- 4 - 7 + (- 3 - 4 - 5 - 8)$
18170	Combiner	0.1b+0.7b	$0.1 b + 0.7 b$
18171	Combiner	0.2(g+5)+1.2(g-4)	$0.2 (g + 5) + 1.2 (g - 4)$
18172	Combiner	0.30+0.15+0.15	$0.3 + 0.15 + 0.15$
18173	Combiner	0.75-(0.75-cos(0.75))/(1+sin(0.75))	$0.75 - \frac{0.75 - \cos (0.75)}{1 + \sin (0.75)}$
18174	Combiner	1 1/5+2 3/4	$1 \frac{1}{5} + 2 \frac{3}{4}$
18175	Combiner	11/111/1((1/11 1/1)/1)/(1/1)1/11/111*1	$\frac{11}{11} \cdot \frac{1}{1} \cdot \frac{\frac{\frac{1}{1} \cdot 1 \frac{1}{1}}{1}}{\frac{1}{1}} \cdot \frac{1}{1} \cdot \frac{1}{1} \cdot 11 \cdot 1$
18176	Combiner	(3a)/(a^2-9)-(2b)/(ab+3b)-b/(ab-3b)	$\frac{3 a}{a^{2} - 9} - \frac{2 b}{a b + 3 b} - \frac{b}{a b - 3 b}$
18177	Combiner	(3a)/(2b)+((2q^2)/(3a^2)*(ac)/(4q))÷(q/(3q))-(2b)/(a^2)	$\frac{3 a}{2 b} + \frac{2 q^{2}}{3 a^{2}} \cdot \frac{a c}{4 q} \div \frac{q}{3 q} - \frac{2 b}{a^{2}}$
18178	Combiner	(3g-1)/9-(g+1)/6	$\frac{3 g - 1}{9} - \frac{g + 1}{6}$
18179	Combiner	(3y)/7+(7y)/11	$\frac{3 y}{7} + \frac{7 y}{11}$
18180	Combiner	4/a-7/b	$\frac{4}{a} - \frac{7}{b}$
18181	Combiner	-(4a-6v)/(8a)+(8a-9v)/(8a)	$- \frac{4 a - 6 v}{8 a} + \frac{8 a - 9 v}{8 a}$
18182	Combiner	5/14-2/221	$\frac{5}{14} - \frac{2}{221}$
18183	Combiner	-5/3*(y-6)-1/9y	$- \frac{5}{3} \cdot (y - 6) - \frac{1}{9} y$
18184	Combiner	-5/6-(-1 5/9)	$- \frac{5}{6} - (- 1 \frac{5}{9})$
18185	Combiner	5/6-3/5	$\frac{5}{6} - \frac{3}{5}$
18186	Combiner	5/6-1 1/4	$\frac{5}{6} - 1 \frac{1}{4}$
18187	Combiner	5/6s+3/4-2/11s	$\frac{5}{6} s + \frac{3}{4} - \frac{2}{11} s$
18188	Combiner	5/(7z)+1/(28y)	$\frac{5}{7 z} + \frac{1}{28 y}$
18189	Combiner	5/(k+3)+7/k	$\frac{5}{k + 3} + \frac{7}{k}$
18190	Combiner	5/y+1/4y	$\frac{5}{y} + \frac{1}{4} y$
18191	Combiner	(5b)/(2c)+(5c)/b	$\frac{5 b}{2 c} + \frac{5 c}{b}$
18192	Combiner	6/5k+9/5-2k+2/5+2/5k-6	$\frac{6}{5} k + \frac{9}{5} - 2 k + \frac{2}{5} + \frac{2}{5} k - 6$
18193	Combiner	6/a-4+a/2	$\frac{6}{a} - 4 + \frac{a}{2}$
18194	Combiner	6/z-2/5	$\frac{6}{z} - \frac{2}{5}$
18195	Combiner	7/10+y/3	$\frac{7}{10} + \frac{y}{3}$
18196	Combiner	7/12-1/30	$\frac{7}{12} - \frac{1}{30}$
18197	Combiner	7/25+4 3/50+6 9/10	$\frac{7}{25} + 4 \frac{3}{50} + 6 \frac{9}{10}$
18198	Combiner	-7/3+0.58÷(4/5)-6.18*5/4+1.3	$- \frac{7}{3} + 0.58 \div \frac{4}{5} - 6.18 \cdot \frac{5}{4} + 1.3$
18199	Combiner	-7/4+13/4	$- \frac{7}{4} + \frac{13}{4}$
18200	Combiner	1/9a^2+10/3*(ab^2)+25b^4	$\frac{1}{9} a^{2} + \frac{10}{3} \cdot (a b^{2}) + 25 b^{4}$