Mathway | Problemi più comuni

Problemi più comuni

Livello	Argomento	Problema	Problema formattato
31601	求解b	b-4=9	$b - 4 = 9$
31602	求解b	ba=8	$b a = 8$
31603	求解b	a=1/2bh	$a = \frac{1}{2} b h$
31604	求解B	cos(B)=46^2+58^2-(70^2)÷24658	$\cos (B) = 46^{2} + 58^{2} - 70^{2} \div 2 \cdot 46 \cdot 58$
31605	求解f	f=(ab)/(a+b)	$f = \frac{a b}{a + b}$
31606	求解K	K=(1/2)(m)(b^2)+(m)(g)(h)-1/2mv^2+(m)(g)(h)	$K = (\frac{1}{2}) (m) (b^{2}) + (m) (g) (h) - \frac{1}{2} m v^{2} + (m) (g) (h)$
31607	求解a	logaritmo naturale di a+ logaritmo naturale di b = logaritmo naturale di a+b	$\ln (a) + \ln (b) = \ln (a + b)$
31608	求解r	r=3(b-a)	$r = 3 (b - a)$
31609	求解t	t=a/b	$t = \frac{a}{b}$
31610	求解v	v=(((B+b)(h))/2)(40)	$v = (\frac{(B + b) (h)}{2}) (40)$
31611	求解b	450=(15)(-3)+b	$450 = (15) (- 3) + b$
31612	求解b	-4b+14=-11b+10	$- 4 b + 14 = - 11 b + 10$
31613	求解b	-4b=15	$- 4 b = 15$
31614	求解b	4b-7=-1+b	$4 b - 7 = - 1 + b$
31615	求解b	-5(b+2)+8b=2	$- 5 (b + 2) + 8 b = 2$
31616	求解b	55=1/2b*(16)	$55 = \frac{1}{2} b \cdot (16)$
31617	求解b	5b=105	$5 b = 105$
31618	求解z	6ib=coz	$6 i b =$ coz
31619	求解b	6(b+5)=24	$6 (b + 5) = 24$
31620	求解y	6b-2y=18	$6 b - 2 y = 18$
31621	求解b	7(b)=-b^2-5b+1	$7 (b) = - b^{2} - 5 b + 1$
31622	求解b	7=-3/1*1+b	$7 = - \frac{3}{1} \cdot 1 + b$
31623	求解b	7 = square root of b+2	$7 = \sqrt{b} + 2$
31624	求解b	7b-2=4b-2	$7 b - 2 = 4 b - 2$
31625	求解b	-8=3(-2)+b	$- 8 = 3 (- 2) + b$
31626	求解b	81b^2-1=0	$81 b^{2} - 1 = 0$
31627	求解b	8*b=120	$8 \cdot b = 120$
31628	求解b	8*b=192	$8 \cdot b = 192$
31629	求解b	9.5-3/4b=0	$9.5 - \frac{3}{4} b = 0$
31630	求解b	-90=-5(-3b)	$- 90 = - 5 (- 3 b)$
31631	求解t	9tsp=tbsp	$9 t s p = t b s p$
31632	求解a	a(a-c)+4b(c-4b)=0	$a (a - c) + 4 b (c - 4 b) = 0$
31633	求解b	b=3/4a	$b = \frac{3}{4} a$
31634	求解a	a=b	$a = b$
31635	求解a	a=b-100	$a = b - 100$
31636	求解b	b-5/6=3/8	$b - \frac{5}{6} = \frac{3}{8}$
31637	求解b	b+3/4=1/8	$b + \frac{3}{4} = \frac{1}{8}$
31638	求解b	b+b^2=42	$b + b^{2} = 42$
31639	求解b	b+12=15	$b + 12 = 15$
31640	求解B	B=6/7*(A-11)	$B = \frac{6}{7} \cdot (A - 11)$
31641	求解b	b=0.5+b	$b = 0.5 + b$
31642	求解b	(4/5)b=40	$(\frac{4}{5}) b = 40$
31643	求解b	(b-c)c^2+(c-a)c+(a-b)=0	$(b - c) c^{2} + (c - a) c + (a - b) = 0$
31644	求解b	(3/7)^b=9	${(\frac{3}{7})}^{b} = 9$
31645	求解b	( radice quadrata di 8)^2+b^2=c^2	${(\sqrt{8})}^{2} + b^{2} = c^{2}$
31646	求解b	(b+7)^2=5	${(b + 7)}^{2} = 5$
31647	求解b	(b-2)^2+b^2=10^2	${(b - 2)}^{2} + b^{2} = 10^{2}$
31648	求解b	-( radice quadrata di 7)^2+b^2=6^2	$- {(\sqrt{7})}^{2} + b^{2} = 6^{2}$
31649	求解b	1/2b-19/6=1/3b+5/6	$\frac{1}{2} b - \frac{19}{6} = \frac{1}{3} b + \frac{5}{6}$
31650	求解b	1/6b=2 1/3	$\frac{1}{6} b = 2 \frac{1}{3}$
31651	求解b	1/b-4=-3/(4b)-2 1/4	$\frac{1}{b} - 4 = \frac{- 3}{4 b} - 2 \frac{1}{4}$
31652	求解b	(2b)/5=10	$\frac{2 b}{5} = 10$
31653	求解b	-3/4b=2	$- \frac{3}{4} b = 2$
31654	求解b	35/b=70/100	$\frac{35}{b} = \frac{70}{100}$
31655	求解b	4/5b-3=5	$\frac{4}{5} b - 3 = 5$
31656	求解b	4/9b-5/18b=b-1/4	$\frac{4}{9} b - \frac{5}{18} b = b - \frac{1}{4}$
31657	求解b	4^2+b^2=( radice quadrata di 69)^2	$4^{2} + b^{2} = {(\sqrt{69})}^{2}$
31658	求解b	4100^2+b^2=14300^2	$4100^{2} + b^{2} = 14300^{2}$
31659	求解b	-5^2+b^2=13^2	$- 5^{2} + b^{2} = 13^{2}$
31660	求解b	6/(b^2-1)-3/(b-1)=7/(b+1)	$\frac{6}{b^{2} - 1} - \frac{3}{b - 1} = \frac{7}{b + 1}$
31661	求解b	6/(7b)=2/3	$\frac{6}{7 b} = \frac{2}{3}$
31662	求解b	7/8-1/4=b	$\frac{7}{8} - \frac{1}{4} = b$
31663	求解b	8/b=18/(b+15)	$\frac{8}{b} = \frac{18}{b + 15}$
31664	求解b	8/(b+10)=4/(2b-7)	$\frac{8}{b + 10} = \frac{4}{2 b - 7}$
31665	求解b	9^2+b^2=50^2	$9^{2} + b^{2} = 50^{2}$
31666	求解b	(9b-3)/7=5+4b	$\frac{9 b - 3}{7} = 5 + 4 b$
31667	求解a	3+12/(a-6)=(2a)/(a-6)	$3 + \frac{12}{a - 6} = \frac{2 a}{a - 6}$
31668	求解a	a^2=b^2*12424	$a^{2} = b^{2} \cdot 12424$
31669	求解a	(a+b)/(a-b)+(a-b)/(a+b)=6	$\frac{a + b}{a - b} + \frac{a - b}{a + b} = 6$
31670	求解b	b/10=3/4	$\frac{b}{10} = \frac{3}{4}$
31671	求解b	b/15=2.5	$\frac{b}{15} = 2.5$
31672	求解b	b/2+5=2b	$\frac{b}{2} + 5 = 2 b$
31673	求解b	b/8.2=2.5	$\frac{b}{8.2} = 2.5$
31674	求解b	b/8=9	$\frac{b}{8} = 9$
31675	求解b	b^2+4b=32	$b^{2} + 4 b = 32$
31676	求解b	b^2=7	$b^{2} = 7$
31677	求解b	b^2-7b=0	$b^{2} - 7 b = 0$
31678	求解b	(b+5)/b=2+(b-5)/(3b)	$\frac{b + 5}{b} = 2 + \frac{b - 5}{3 b}$
31679	求解b	logaritmo in base b di 1=0	$\log_{b} (1) = 0$
31680	求解b	radice quadrata di 4^2+b^2=4^2	$\sqrt{4^{2}} + b^{2} = 4^{2}$
31681	求解a	radice quadrata di a^2-8a+b^2-6b-25 = radice quadrata di a^2+4a+b^2+10b+29	$\sqrt{a^{2} - 8 a + b^{2} - 6 b - 25} = \sqrt{a^{2} + 4 a + b^{2} + 10 b + 29}$
31682	求解b	radice quadrata di 6-b=2b radice quadrata di 6-b	$\sqrt{6 - b} = 2 b \sqrt{6 - b}$
31683	求解a	radice quadrata di a+ radice quadrata di b = radice quadrata di 45	$\sqrt{a} + \sqrt{b} = \sqrt{45}$
31684	求解b	radice quadrata di b=-3	$\sqrt{b} = - 3$
31685	求解b	radice quadrata di b-6=3	$\sqrt{b - 6} = 3$
31686	求解b	0b=28	$0 b = 28$
31687	求解b	-1+2b=2-3b+2b	$- 1 + 2 b = 2 - 3 b + 2 b$
31688	求解b	-10b^2+10b+3=-7	$- 10 b^{2} + 10 b + 3 = - 7$
31689	求解b	10=17+b	$10 = 17 + b$
31690	求解b	10b+9-b=12	$10 b + 9 - b = 12$
31691	求解p	12p^2+bp+3=0	$12 p^{2} + b p + 3 = 0$
31692	求解B	125000.00+65.00B=600000.00	$125000 + 65 B = 600000$
31693	求解b	12b=7b+5	$12 b = 7 b + 5$
31694	求解b	-12b-5=10-7b	$- 12 b - 5 = 10 - 7 b$
31695	求解b	144=9+b^2	$144 = 9 + b^{2}$
31696	求解b	15=5(0)+b	$15 = 5 (0) + b$
31697	求解b	-17=17b	$- 17 = 17 b$
31698	求解b	2(b+6)=-24	$2 (b + 6) = - 24$
31699	求解b	2b^2-11b=1	$2 b^{2} - 11 b = 1$
31700	求解B	-2 radice quadrata di 7B-14-16=-18	$- 2 \sqrt{7 B - 14} - 16 = - 18$