Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
33001	Resolva para z	28/(z-2)=1+30/(z+2)	$\frac{28}{z - 2} = 1 + \frac{30}{z + 2}$
33002	Resolva para z	(2z)/2+2/z=6/(2z)	$\frac{2 z}{2} + \frac{2}{z} = \frac{6}{2 z}$
33003	Resolva para z	2z^2-30=0	$2 z^{2} - 30 = 0$
33004	Resolva para z	2z^2-8z+1=0	$2 z^{2} - 8 z + 1 = 0$
33005	Resolva para z	(2z+1)/3-(z-2)/5-5=(z+1)/10+4	$\frac{2 z + 1}{3} - \frac{z - 2}{5} - 5 = \frac{z + 1}{10} + 4$
33006	Resolva para z	(2z+3)/3+(3z-4)/6=(z-2)/2	$\frac{2 z + 3}{3} + \frac{3 z - 4}{6} = \frac{z - 2}{2}$
33007	Resolva para z	(2z+5)/(2z+3)=(z+3)/(z-1)	$\frac{2 z + 5}{2 z + 3} = \frac{z + 3}{z - 1}$
33008	Resolva para z	3.5/18=z/36	$\frac{3.5}{18} = \frac{z}{36}$
33009	Resolva para z	3/15=1/z	$\frac{3}{15} = \frac{1}{z}$
33010	Resolva para z	3/19=z/741	$\frac{3}{19} = \frac{z}{741}$
33011	Resolva para z	3/4-1/3z=1/4	$\frac{3}{4} - \frac{1}{3} z = \frac{1}{4}$
33012	Resolva para z	3/4=z-5/4	$\frac{3}{4} = z - \frac{5}{4}$
33013	Resolva para z	3/4z=45	$\frac{3}{4} z = 45$
33014	Resolva para z	3/4z+5/4=-1/4	$\frac{3}{4} z + \frac{5}{4} = - \frac{1}{4}$
33015	Resolva para z	3/4z=-18	$\frac{3}{4} z = - 18$
33016	Resolva para z	3/5z=15	$\frac{3}{5} z = 15$
33017	Resolva para z	3/7=z/21	$\frac{3}{7} = \frac{z}{21}$
33018	Resolva para z	3/7z=18	$\frac{3}{7} z = 18$
33019	Resolva para z	3/(z-1)=9/15	$\frac{3}{z - 1} = \frac{9}{15}$
33020	Resolva para z	3^(4z+1)=9^(3z-5)	$3^{4 z + 1} = 9^{3 z - 5}$
33021	Resolva para z	3^z=81^2	$3^{z} = 81^{2}$
33022	Resolva para z	xy=z	$x y = z$
33023	Resolva para z	30/8=z/42	$\frac{30}{8} = \frac{z}{42}$
33024	Resolva para z	30/z=25/3	$\frac{30}{z} = \frac{25}{3}$
33025	Resolva para z	(3z)/5-2=z+1/3	$\frac{3 z}{5} - 2 = z + \frac{1}{3}$
33026	Resolva para z	4/1=z/16	$\frac{4}{1} = \frac{z}{16}$
33027	Resolva para z	4/11=-1/2z	$\frac{4}{11} = - \frac{1}{2} z$
33028	Resolva para Z	4/3=(4Z+6)/(5Z-3)	$\frac{4}{3} = \frac{4 Z + 6}{5 Z - 3}$
33029	Resolva para z	4/5(z+4/5)=-3/4(z-3/4)	$\frac{4}{5} \cdot (z + \frac{4}{5}) = - \frac{3}{4} \cdot (z - \frac{3}{4})$
33030	Resolva para z	4/5*(z+5)+3/5z=7	$\frac{4}{5} \cdot (z + 5) + \frac{3}{5} z = 7$
33031	Resolva para z	4/5(z-2)+5/6=1/6(z+3)	$\frac{4}{5} \cdot (z - 2) + \frac{5}{6} = \frac{1}{6} \cdot (z + 3)$
33032	Resolva para z	4/5=12/z	$\frac{4}{5} = \frac{12}{z}$
33033	Resolva para z	4/7z=3	$\frac{4}{7} z = 3$
33034	Resolva para z	(4/7)÷z=1/4	$\frac{4}{7} \div z = \frac{1}{4}$
33035	Resolva para z	4400/550=(550z)/550	$\frac{4400}{550} = \frac{550 z}{550}$
33036	Resolva para z	(4z)/5+1/5+9=(5z)/6-7/5	$\frac{4 z}{5} + \frac{1}{5} + 9 = \frac{5 z}{6} - \frac{7}{5}$
33037	Resolva para z	5/11z-1=16/11	$\frac{5}{11} z - 1 = \frac{16}{11}$
33038	Resolva para z	5/2.5=z/4	$\frac{5}{2.5} = \frac{z}{4}$
33039	Resolva para z	5/2z-8=-3	$\frac{5}{2} z - 8 = - 3$
33040	Resolva para z	5/3y+1/3y=5z+70/3+5/3z	$\frac{5}{3} y + \frac{1}{3} y = 5 z + \frac{70}{3} + \frac{5}{3} z$
33041	Resolva para z	5/(3z+1)+2/(z-2)=0	$\frac{5}{3 z + 1} + \frac{2}{z - 2} = 0$
33042	Resolva para z	5/4=z+1/4	$\frac{5}{4} = z + \frac{1}{4}$
33043	Resolva para z	5/(5z+7)=1/(8z)	$\frac{5}{5 z + 7} = \frac{1}{8 z}$
33044	Resolva para z	-5/6+z=2/3	$\frac{- 5}{6} + z = \frac{2}{3}$
33045	Resolva para z	-5/8=-1/4-1/4z	$- \frac{5}{8} = - \frac{1}{4} - \frac{1}{4} z$
33046	Resolva para z	-5/8z=-1/3	$- \frac{5}{8} z = - \frac{1}{3}$
33047	Resolva para z	5/z-1=1/z	$\frac{5}{z} - 1 = \frac{1}{z}$
33048	Resolva para z	5/(z-3)=6/(z+3)	$\frac{5}{z - 3} = \frac{6}{z + 3}$
33049	Resolva para z	50/100=z/700	$\frac{50}{100} = \frac{z}{700}$
33050	Resolva para z	500/60=300/z	$\frac{500}{60} = \frac{300}{z}$
33051	Resolva para z	52/20=z/520	$\frac{52}{20} = \frac{z}{520}$
33052	Resolva para z	(5z-3)/8=z	$\frac{5 z - 3}{8} = z$
33053	Resolva para z	6/(2/3)=18/z	$\frac{6}{\frac{2}{3}} = \frac{18}{z}$
33054	Resolva para z	6/2=21/z	$\frac{6}{2} = \frac{21}{z}$
33055	Resolva para z	6/5*(5z-1)-4z=7/5	$\frac{6}{5} \cdot (5 z - 1) - 4 z = \frac{7}{5}$
33056	Resolva para z	6/7z=-2/3	$\frac{6}{7} z = \frac{- 2}{3}$
33057	Resolva para z	6^z=7776	$6^{z} = 7776$
33058	Resolva para z	(6+z)/10=-2	$\frac{6 + z}{10} = - 2$
33059	Resolva para z	7.5/6=z/4	$\frac{7.5}{6} = \frac{z}{4}$
33060	Resolva para z	-7/10=z/6	$- \frac{7}{10} = \frac{z}{6}$
33061	Resolva para z	7/15z+7/10=9/10	$\frac{7}{15} z + \frac{7}{10} = \frac{9}{10}$
33062	Resolva para z	-7/2z=-21	$- \frac{7}{2} z = - 21$
33063	Resolva para z	-7/3z-5=6/5z-5/3	$- \frac{7}{3} z - 5 = \frac{6}{5} z - \frac{5}{3}$
33064	Resolva para z	7/4z=56	$\frac{7}{4} z = 56$
33065	Resolva para z	7/5=91/z	$\frac{7}{5} = \frac{91}{z}$
33066	Resolva para z	7/8z=6	$\frac{7}{8} z = 6$
33067	Resolva para z	7/9=z/27	$\frac{7}{9} = \frac{z}{27}$
33068	Resolva para z	7/9=z/63	$\frac{7}{9} = \frac{z}{63}$
33069	Resolva para z	7/z+5/(6z-2)=2/(6z-2)	$\frac{7}{z} + \frac{5}{6 z - 2} = \frac{2}{6 z - 2}$
33070	Resolva para z	7/(z+14)=1/(z-10)	$\frac{7}{z + 14} = \frac{1}{z - 10}$
33071	Resolva para z	7/(z-5)-2/(z+5)=5/(z^2-25)	$\frac{7}{z - 5} - \frac{2}{z + 5} = \frac{5}{z^{2} - 25}$
33072	Resolva para z	7^2+z^2=9^2	$7^{2} + z^{2} = 9^{2}$
33073	Resolva para z	-7z^2=-28	$- 7 z^{2} = - 28$
33074	Resolva para z	(7z-8)/(2z-2)=3/1	$\frac{7 z - 8}{2 z - 2} = \frac{3}{1}$
33075	Resolva para z	8/1 3/5=30/z	$\frac{8}{1 \frac{3}{5}} = \frac{30}{z}$
33076	Resolva para z	8/11=z/13	$\frac{8}{11} = \frac{z}{13}$
33077	Resolva para z	8/11z=-4/11	$\frac{8}{11} z = \frac{- 4}{11}$
33078	Resolva para z	8/180=z/100	$\frac{8}{180} = \frac{z}{100}$
33079	Resolva para z	8/(2z)=15/60	$\frac{8}{2 z} = \frac{15}{60}$
33080	Resolva para z	8/7z=56	$\frac{8}{7} z = 56$
33081	Resolva para z	8/z=9/z-1/11	$\frac{8}{z} = \frac{9}{z} - \frac{1}{11}$
33082	Resolva para z	8/(z-2)=(z+2)/4	$\frac{8}{z - 2} = \frac{z + 2}{4}$
33083	Resolva para z	9/3=z/5	$\frac{9}{3} = \frac{z}{5}$
33084	Resolva para z	-9/8z=18	$- \frac{9}{8} z = 18$
33085	Resolva para z	9^2+z^2=11^2	$9^{2} + z^{2} = 11^{2}$
33086	Resolva para z	racine carrée de 15-z+6 = racine carrée de 4-9	$\sqrt{15 - z} + 6 = \sqrt{4 - 9}$
33087	Resolva para z	racine carrée de 280+40z-z=17	$\sqrt{280 + 40 z} - z = 17$
33088	Resolva para z	racine carrée de 2z+1=3	$\sqrt{2 z + 1} = 3$
33089	Resolva para z	racine carrée de 3z+22=7	$\sqrt{3 z + 22} = 7$
33090	Resolva para z	racine carrée de 4z+1+4=6	$\sqrt{4 z + 1} + 4 = 6$
33091	Resolva para z	racine carrée de 4z+1=3+ racine carrée de 4z-2	$\sqrt{4 z + 1} = 3 + \sqrt{4 z - 2}$
33092	Resolva para z	racine carrée de 5-z+3=6	$\sqrt{5 - z} + 3 = 6$
33093	Resolva para z	racine carrée de 5z-11 = racine carrée de 2z+10	$\sqrt{5 z - 11} = \sqrt{2 z + 10}$
33094	Resolva para z	racine carrée de 7z-54-z=-6	$\sqrt{7 z - 54} - z = - 6$
33095	Resolva para z	racine carrée de 9z+9=z-3	$\sqrt{9 z + 9} = z - 3$
33096	Resolva para z	z/0.4=0.09/4	$\frac{z}{0.4} = \frac{0.09}{4}$
33097	Resolva para z	z/10=10/4	$\frac{z}{10} = \frac{10}{4}$
33098	Resolva para z	z/100=64/16	$\frac{z}{100} = \frac{64}{16}$
33099	Resolva para z	z/100=0.08	$\frac{z}{100} = 0.08$
33100	Resolva para z	z/100=0.09	$\frac{z}{100} = 0.09$