Mathway | Problemi più comuni

Problemi più comuni

Livello	Argomento	Problema	Problema formattato
44201	求解a	72/90=8/a	$\frac{72}{90} = \frac{8}{a}$
44202	求解a	-7a^2b^2=(-7ab)	$- 7 a^{2} b^{2} = (- 7 a b)$
44203	求解a	8/15=a/45	$\frac{8}{15} = \frac{a}{45}$
44204	求解a	8/4=16/(a-4)	$\frac{8}{4} = \frac{16}{a - 4}$
44205	求解a	8/6=4/a	$\frac{8}{6} = \frac{4}{a}$
44206	求解a	(8a-13)/(15a+15)=3/10	$\frac{8 a - 13}{15 a + 15} = \frac{3}{10}$
44207	求解a	9/(a^2)+16/(a^2-25)=1	$\frac{9}{a^{2}} + \frac{16}{a^{2} - 25} = 1$
44208	求解a	9^(a^2)*3^(5(a))=27	$9^{a^{2}} \cdot 3^{5 (a)} = 27$
44209	求解a	a/0.6=25/3	$\frac{a}{0.6} = \frac{25}{3}$
44210	求解a	a/13=2	$\frac{a}{13} = 2$
44211	求解a	a/2+a/6=7	$\frac{a}{2} + \frac{a}{6} = 7$
44212	求解a	a/-2=8	$\frac{a}{- 2} = 8$
44213	求解a	a/20+4/15=9/15	$\frac{a}{20} + \frac{4}{15} = \frac{9}{15}$
44214	求解a	a/20+4/5=9/5	$\frac{a}{20} + \frac{4}{5} = \frac{9}{5}$
44215	求解a	a/20=100	$\frac{a}{20} = 100$
44216	求解a	a/25=125/2.5	$\frac{a}{25} = \frac{125}{2.5}$
44217	求解a	a/26=12	$\frac{a}{26} = 12$
44218	求解a	a/3+y/6=1-a	$\frac{a}{3} + \frac{y}{6} = 1 - a$
44219	求解a	a/3=(a-1)/2	$\frac{a}{3} = \frac{a - 1}{2}$
44220	求解x	291/7	$\frac{291}{7}$
44221	Convertire in una Frazione Impropria	3 2/3	$3 \frac{2}{3}$
44222	求解N	a=(2^n(2^(n-1))^n)/(2^(n+1)2^(n-1))(1/(4^(-n)))	$a = \frac{2^{n} {(2^{n - 1})}^{n}}{2^{n + 1} \cdot 2^{n - 1}} \cdot (\frac{1}{4^{- n}})$
44223	求解N	N-12=8	$N - 12 = 8$
44224	求解Y	10y-2(-4+3y)=(66-21y)/-3	$10 y - 2 (- 4 + 3 y) = \frac{66 - 21 y}{- 3}$
44225	求解?	xK^0.5+xL^0.5=Q	$x K^{0.5} + x L^{0.5} = Q$
44226	求解?	2/7=14/theta	$\frac{2}{7} = \frac{14}{θ}$
44227	求解?	2sin(x)cos(x)+ radice quadrata di 3*cos(x)=0	$2 \sin (x) \cos (x) + \sqrt{3} \cdot \cos (x) = 0$
44228	求解?	cos(x)+cos(3x)=2cos(2x)	$\cos (x) + \cos (3 x) = 2 \cos (2 x)$
44229	求解?	Pr=infinity/theta	$P r = \frac{\infty}{θ}$
44230	求解?	r=sin(x)	$r = \sin (x)$
44231	求解?	sin(x)=1/7	$\sin (x) = \frac{1}{7}$
44232	求解?	sin(x)=(90.4*9.8)÷4820	$\sin (x) = 90.4 \cdot 9.8 \div 4820$
44233	求解?	sin(pi/2+x)=-tan(x)	$\sin (\frac{π}{2} + x) = - \tan (x)$
44234	求解?	theta(150)=150e^(-0.08059*15)	$θ (150) = 150 e^{- 0.08059 \cdot 15}$
44235	求解?	thetac=5/9*(95-32)	$θ c = \frac{5}{9} \cdot (95 - 32)$
44236	求解?	y=10^(tan(pix))	$y = 10^{\tan (π x)}$
44237	求解a	(0.04)*(2a)+0.07a=1800	$(0.04) \cdot (2 a) + 0.07 a = 1800$
44238	求解a	(1/( logaritmo di 1-(1/a)))-a=a	$(\frac{1}{\log (1 - (\frac{1}{a}))}) - a = a$
44239	求解a	(1/a)b=1/(ab)	$(\frac{1}{a}) b = \frac{1}{a b}$
44240	Sottrazione	8-9	$8 - 9$
44241	求解a	(16-a^2)* radice quadrata di a+3=0	$(16 - a^{2}) \cdot \sqrt{a + 3} = 0$
44242	求解a	(17a-8)-8(2a+1)=-6	$(17 a - 8) - 8 (2 a + 1) = - 6$
44243	求解a	(2a-7^2)=32	$(2 a - 7^{2}) = 32$
44244	求解a	-(2-a-a^2)+(3a^2-5a+2)=120	$- (2 - a - a^{2}) + (3 a^{2} - 5 a + 2) = 120$
44245	求解a	(2a+3)+(56-4a)=45	$(2 a + 3) + (56 - 4 a) = 45$
44246	求解a	(32)4=3(a24)	$(3 \cdot 2) \cdot 4 = 3 \cdot (a \cdot 24)$
44247	求解a	(3a+5)(2a^2-11a+14)=0	$(3 a + 5) (2 a^{2} - 11 a + 14) = 0$
44248	求解a	(4a+2)(a-6)=0	$(4 a + 2) (a - 6) = 0$
44249	求解a	(5-a)(5-b)(5-c)(5-d)=25	$(5 - a) (5 - b) (5 - c) (5 - d) = 25$
44250	求解a	(5*a)-3=17	$(5 \cdot a) - 3 = 17$
44251	求解a	-(6-5a)-(20+4a)-11=-(4-6a)+(-a)+3	$- (6 - 5 a) - (20 + 4 a) - 11 = - (4 - 6 a) + (- a) + 3$
44252	求解a	(a2/3)+(b5/6-30)+c=180	$(a \cdot \frac{2}{3}) + (b \cdot \frac{5}{6} - 30) + c = 180$
44253	求解a	(a+1)(2a-3)=30	$(a + 1) (2 a - 3) = 30$
44254	求解a	(a+1)(a+5)=-1	$(a + 1) (a + 5) = - 1$
44255	求解a	(a+2(-a^2+6a-8))=0	$(a + 2 (- a^{2} + 6 a - 8)) = 0$
44256	求解a	(a+2)(2a-3)+(a-5)(a-4)-(a+1)(3a+2)-11/2=0	$(a + 2) (2 a - 3) + (a - 5) (a - 4) - (a + 1) (3 a + 2) - \frac{11}{2} = 0$
44257	Valutare	46/9	$\frac{46}{9}$
44258	Valutare	(12-(-12))/(12-6÷2)	$\frac{12 - (- 12)}{12 - 6 \div 2}$
44259	Valutare	250/1000	$\frac{250}{1000}$
44260	Valutare	72÷18	$72 \div 18$
44261	Valutare	76÷19	$76 \div 19$
44262	Valutare	60÷(2/3)	$60 \div \frac{2}{3}$
44263	Valutare	6 3/5	$6 \frac{3}{5}$
44264	Valutare	3 1/100	$3 \frac{1}{100}$
44265	Valutare	-3 1/8	$- 3 \frac{1}{8}$
44266	Valutare	(3(2^2)^4)÷2(3(2^3)^4)	$3 {(2^{2})}^{4} \div 2 (3 {(2^{3})}^{4})$
44267	Valutare	32	$32$
44268	Valutare	500÷1200	$500 \div 1200$
44269	Valutare	5000(1+0.225/4)^8	$5000 {(1 + \frac{0.225}{4})}^{8}$
44270	Valutare	54÷8	$54 \div 8$
44271	Convertire la Percentuale in Grado	80%	$80 %$
44272	Aggiungere	1/8+1/4	$\frac{1}{8} + \frac{1}{4}$
44273	Aggiungere	3/4+5/6	$\frac{3}{4} + \frac{5}{6}$
44274	Aggiungere	-12+4	$- 12 + 4$
44275	Aggiungere	1285.12+961.36+1132.63	$1285.12 + 961.36 + 1132.63$
44276	Aggiungere	144+256	$144 + 256$
44277	Aggiungere	5/12+3/4	$\frac{5}{12} + \frac{3}{4}$
44278	Sottrazione	9/10-3/4	$\frac{9}{10} - \frac{3}{4}$
44279	求解a	(a-3)(a-4)=0	$(a - 3) (a - 4) = 0$
44280	求解a	(a-7)(a-2)=0	$(a - 7) (a - 2) = 0$
44281	求解A	A=pir^2	$A = π r^{2}$
44282	求解a	0.06a+0.02b=0.03*80	$0.06 a + 0.02 b = 0.03 \cdot 80$
44283	求解a	0.80a+0.65(40)=0.40(61)	$0.8 a + 0.65 (40) = 0.4 (61)$
44284	求解a	(a-6)=0	$(a - 6) = 0$
44285	求解a	(20^3)^6=20a	${(20^{3})}^{6} = 20 a$
44286	求解a	(a^2+15a)^(1/3)=3(a-1)^(1/3)	${(a^{2} + 15 a)}^{\frac{1}{3}} = 3 {(a - 1)}^{\frac{1}{3}}$
44287	求解a	b=3/4a	$b = \frac{3}{4} a$
44288	求解A	(1157-94(64.5-94A)/6)/6=0	$\frac{1157 - 94 \frac{64.5 - 94 A}{6}}{6} = 0$
44289	求解a	(2a-1)^2=39	${(2 a - 1)}^{2} = 39$
44290	求解a	-(a)^2=-49	$- {(a)}^{2} = - 49$
44291	求解a	(a+3)^2=1	${(a + 3)}^{2} = 1$
44292	求解a	(a+6)^2+(y+2)^2=64	${(a + 6)}^{2} + {(y + 2)}^{2} = 64$
44293	求解a	(3/5((ab)^3b^3a^-5))/(3b^-3a^2)=1/5(b^9a^-4)	$\frac{\frac{3}{5} \cdot ({(a b)}^{3} b^{3} a^{- 5})}{3 b^{- 3} a^{2}} = \frac{1}{5} \cdot (b^{9} a^{- 4})$
44294	求解a	(8/1)/(1/2)=a	$\frac{\frac{8}{1}}{\frac{1}{2}} = a$
44295	求解a	(a^15)/(a^5)=a^10	$\frac{a^{15}}{a^{5}} = a^{10}$
44296	求解a	(a^2+13)/(a-8)=(17a-59)/(a-8)	$\frac{a^{2} + 13}{a - 8} = \frac{17 a - 59}{a - 8}$
44297	求解a	(a^2+4)/(a^2-4)+a/(2-a)=2/(a+2)	$\frac{a^{2} + 4}{a^{2} - 4} + \frac{a}{2 - a} = \frac{2}{a + 2}$
44298	求解a	( radice quadrata di 11- radice quadrata di 7)/( radice quadrata di 11+ radice quadrata di 7)=a-b radice quadrata di 77	$\frac{\sqrt{11} - \sqrt{7}}{\sqrt{11} + \sqrt{7}} = a - b \sqrt{77}$
44299	求解a	( radice quadrata di 11+ radice quadrata di 7)/( radice quadrata di 11- radice quadrata di 7)=a+b radice quadrata di 7	$\frac{\sqrt{11} + \sqrt{7}}{\sqrt{11} - \sqrt{7}} = a + b \sqrt{7}$
44300	求解a	\|a^2-3a+6\|=\|a-3\|	$\| a^{2} - 3 a + 6 \| = \| a - 3 \|$