Mathway | Problemi più comuni

Problemi più comuni

Livello	Argomento	Problema	Problema formattato
42201	求解n	3/4n=-1 3/4-18	$\frac{3}{4} n = - 1 \frac{3}{4} - 18$
42202	求解n	3/4n=13 1/2	$\frac{3}{4} n = 13 \frac{1}{2}$
42203	求解n	25/45=n/99	$\frac{25}{45} = \frac{n}{99}$
42204	求解n	26/40=n/100	$\frac{26}{40} = \frac{n}{100}$
42205	求解n	27^(3n)=81^(-n)	$27^{3 n} = 81^{- n}$
42206	求解n	27^(n-8)=3^(n^2)-2n-30	$27^{n - 8} = 3^{n^{2}} - 2 n - 30$
42207	求解n	28/1=n/3.15	$\frac{28}{1} = \frac{n}{3.15}$
42208	求解n	28/100=96/n	$\frac{28}{100} = \frac{96}{n}$
42209	求解n	28/2=112/n	$\frac{28}{2} = \frac{112}{n}$
42210	求解n	(2n)/3=4/9	$\frac{2 n}{3} = \frac{4}{9}$
42211	求解n	3.2/9=n/36	$\frac{3.2}{9} = \frac{n}{36}$
42212	求解n	3.5/0.4=n/1.4	$\frac{3.5}{0.4} = \frac{n}{1.4}$
42213	求解n	3.5/n=2.5/4.5	$\frac{3.5}{n} = \frac{2.5}{4.5}$
42214	求解n	3.6^n=29.4	${3.6}^{n} = 29.4$
42215	求解n	3.7/100n=2200	$\frac{3.7}{100} n = 2200$
42216	求解n	3/1.2=n/6	$\frac{3}{1.2} = \frac{n}{6}$
42217	求解n	10/(n-6)=(15n)/(n^2-2n-24)-6/(n+4)	$\frac{10}{n - 6} = \frac{15 n}{n^{2} - 2 n - 24} - \frac{6}{n + 4}$
42218	求解n	(-10+n)/2=-15	$\frac{- 10 + n}{2} = - 15$
42219	求解n	-105/21=15/n	$\frac{- 105}{21} = \frac{15}{n}$
42220	求解n	-105/21=35/n	$- \frac{105}{21} = \frac{35}{n}$
42221	求解n	11/10=n/14	$\frac{11}{10} = \frac{n}{14}$
42222	求解n	12/11=n/18	$\frac{12}{11} = \frac{n}{18}$
42223	求解N	12/18=99/N	$\frac{12}{18} = \frac{99}{N}$
42224	求解n	12/18=n/6	$\frac{12}{18} = \frac{n}{6}$
42225	求解n	12/n=15/7	$\frac{12}{n} = \frac{15}{7}$
42226	求解n	(125*5^(2n))/(5^(n+1))=625	$\frac{125 \cdot 5^{2 n}}{5^{n + 1}} = 625$
42227	求解n	n/2=11	$\frac{n}{2} = 11$
42228	求解n	n/2-1=n/6+1	$\frac{n}{2} - 1 = \frac{n}{6} + 1$
42229	求解n	n/20=9/10	$\frac{n}{20} = \frac{9}{10}$
42230	求解n	n/20=2/5	$\frac{n}{20} = \frac{2}{5}$
42231	求解n	n/24=5/8	$\frac{n}{24} = \frac{5}{8}$
42232	求解n	n/25=37	$\frac{n}{25} = 37$
42233	求解n	n/3+10=70	$\frac{n}{3} + 10 = 70$
42234	求解n	n/3=120	$\frac{n}{3} = 120$
42235	求解n	n/3=16	$\frac{n}{3} = 16$
42236	求解n	n/35=12/15	$\frac{n}{35} = \frac{12}{15}$
42237	求解n	n/36=5/6	$\frac{n}{36} = \frac{5}{6}$
42238	求解n	n/4-(7n)/8=1/4	$\frac{n}{4} - \frac{7 n}{8} = \frac{1}{4}$
42239	求解n	n/4+2=10	$\frac{n}{4} + 2 = 10$
42240	求解n	n/4=6/8	$\frac{n}{4} = \frac{6}{8}$
42241	求解n	n/4=15	$\frac{n}{4} = 15$
42242	求解n	n/4-1=7	$\frac{n}{4} - 1 = 7$
42243	求解n	n/4-3=4	$\frac{n}{4} - 3 = 4$
42244	求解n	n/42=2/24	$\frac{n}{42} = \frac{2}{24}$
42245	求解n	n/5-4=11	$\frac{n}{5} - 4 = 11$
42246	求解n	n/5=2/6	$\frac{n}{5} = \frac{2}{6}$
42247	求解n	n/5=21/35	$\frac{n}{5} = \frac{21}{35}$
42248	求解N	N/5=21/5	$\frac{N}{5} = \frac{21}{5}$
42249	求解n	n/5=35r^4	$\frac{n}{5} = 35 r^{4}$
42250	求解n	n/-5=-6	$\frac{n}{- 5} = - 6$
42251	求解n	n/5=80	$\frac{n}{5} = 80$
42252	求解n	n/6=12/24	$\frac{n}{6} = \frac{12}{24}$
42253	求解n	n/6200=(50%)/(100%)	$\frac{n}{6200} = \frac{50 %}{100 %}$
42254	求解n	n/7+n/5=12/35	$\frac{n}{7} + \frac{n}{5} = \frac{12}{35}$
42255	求解n	n/7=2/3	$\frac{n}{7} = \frac{2}{3}$
42256	求解n	n/7-2=6	$\frac{n}{7} - 2 = 6$
42257	求解n	n/-7-3=6	$\frac{n}{- 7} - 3 = 6$
42258	求解n	n/8=28/32	$\frac{n}{8} = \frac{28}{32}$
42259	求解n	n/8=9/12	$\frac{n}{8} = \frac{9}{12}$
42260	求解n	n/8=-4	$\frac{n}{8} = - 4$
42261	求解n	n/9=3/17	$\frac{n}{9} = \frac{3}{17}$
42262	求解n	n/9=(n-2)/3	$\frac{n}{9} = \frac{n - 2}{3}$
42263	求解n	n/(n-1)-4/(n+1)=2/(n^2-1)	$\frac{n}{n - 1} - \frac{4}{n + 1} = \frac{2}{n^{2} - 1}$
42264	求解n	n^1.4356=1.075	$n^{1.4356} = 1.075$
42265	求解n	n^2+11n+24=0	$n^{2} + 11 n + 24 = 0$
42266	求解n	n^2+6n=40	$n^{2} + 6 n = 40$
42267	求解n	n^2+6n-7=0	$n^{2} + 6 n - 7 = 0$
42268	求解n	n^2+7n+15=5	$n^{2} + 7 n + 15 = 5$
42269	求解n	n^2+n=30	$n^{2} + n = 30$
42270	求解n	n^2+n-2=0	$n^{2} + n - 2 = 0$
42271	求解n	n^2=13(9+4)	$n^{2} = 13 (9 + 4)$
42272	求解n	n^2=169	$n^{2} = 169$
42273	求解n	n^2=3n+18	$n^{2} = 3 n + 18$
42274	求解n	n^2=400	$n^{2} = 400$
42275	求解n	n^2-10n+22=-2	$n^{2} - 10 n + 22 = - 2$
42276	求解n	n^2-19n=20	$n^{2} - 19 n = 20$
42277	求解n	n^2-3n-10=0	$n^{2} - 3 n - 10 = 0$
42278	求解n	n^2-3n-4=0	$n^{2} - 3 n - 4 = 0$
42279	求解n	n^2-4=46	$n^{2} - 4 = 46$
42280	求解n	n^2-49=0	$n^{2} - 49 = 0$
42281	求解n	n^2-81=0	$n^{2} - 81 = 0$
42282	求解n	n^3-4n^2-n+4=0	$n^{3} - 4 n^{2} - n + 4 = 0$
42283	求解n	(n+0.3)/(n-3.2)=9/2	$\frac{n + 0.3}{n - 3.2} = \frac{9}{2}$
42284	求解n	(n+2)/(n-2)-5/(n^2-4)=(n+5)/(n+2)	$\frac{n + 2}{n - 2} - \frac{5}{n^{2} - 4} = \frac{n + 5}{n + 2}$
42285	求解n	(n-3)/((n+5)-3)=6/11	$\frac{n - 3}{(n + 5) - 3} = \frac{6}{11}$
42286	求解n	(n-5)/(n+8)=(n-3)/(n+5)	$\frac{n - 5}{n + 8} = \frac{n - 3}{n + 5}$
42287	求解n	(n-7)/2=-11	$\frac{n - 7}{2} = - 11$
42288	求解n	(na)/(R+nr)=i	$\frac{n a}{R + n r} = i$
42289	求解n	radice quadrata di 2^n=32	$\sqrt{2^{n}} = 32$
42290	求解n	radice quadrata di 3n+10=n+4	$\sqrt{3 n} + 10 = n + 4$
42291	求解n	radice quadrata di 3n = radice quadrata di 4n-1	$\sqrt{3 n} = \sqrt{4 n - 1}$
42292	求解n	0.035*240=n	$0.035 \cdot 240 = n$
42293	求解n	0.07(n)=224.00	$0.07 (n) = 224$
42294	求解n	(4n+1)^2+3(4n+1)-4=0	${(4 n + 1)}^{2} + 3 (4 n + 1) - 4 = 0$
42295	求解n	0.14n+0.05(3150-n)=0.07(3150)	$0.14 n + 0.05 (3150 - n) = 0.07 (3150)$
42296	求解n	0.14*n=2.8	$0.14 \cdot n = 2.8$
42297	求解n	0.16*n=3.0	$0.16 \cdot n = 3$
42298	求解n	0.32n=249.60	$0.32 n = 249.6$
42299	求解n	0.68n=249.60	$0.68 n = 249.6$
42300	求解n	0.80*n=40	$0.8 \cdot n = 40$