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热门问题

等级	主题	问题	格式化的问题
55601	化简	-2 1/4-3/5	$- 2 \frac{1}{4} - \frac{3}{5}$ $- 2 \frac{1}{4} - \frac{3}{5}$
55602	化简	2 1/4+2 1/2	$2 \frac{1}{4} + 2 \frac{1}{2}$ $2 \frac{1}{4} + 2 \frac{1}{2}$
55603	化简	2 1/4+2 4/5	$2 \frac{1}{4} + 2 \frac{4}{5}$ $2 \frac{1}{4} + 2 \frac{4}{5}$
55604	化简	2 1/4+3 1/3	$2 \frac{1}{4} + 3 \frac{1}{3}$ $2 \frac{1}{4} + 3 \frac{1}{3}$
55605	化简	2 1/4+3 1/5	$2 \frac{1}{4} + 3 \frac{1}{5}$ $2 \frac{1}{4} + 3 \frac{1}{5}$
55606	化简	2 1/4+3 2/3	$2 \frac{1}{4} + 3 \frac{2}{3}$ $2 \frac{1}{4} + 3 \frac{2}{3}$
55607	化简	2 1/4÷(3/4)	$2 \frac{1}{4} \div \frac{3}{4}$ $2 \frac{1}{4} \div \frac{3}{4}$
55608	化简	2 1/4÷2	$2 \frac{1}{4} \div 2$ $2 \frac{1}{4} \div 2$
55609	化简	((-2 1/4)÷3 1/2)÷(-9/224)	$- 2 \frac{1}{4} \div 3 \frac{1}{2} \div (- \frac{9}{224})$ $- 2 \frac{1}{4} \div 3 \frac{1}{2} \div (- \frac{9}{224})$
55610	化简	2 1/4-1 7/8	$2 \frac{1}{4} - 1 \frac{7}{8}$ $2 \frac{1}{4} - 1 \frac{7}{8}$
55611	化简	2 1/4-8 3/10	$2 \frac{1}{4} - 8 \frac{3}{10}$ $2 \frac{1}{4} - 8 \frac{3}{10}$
55612	化简	2 1/4*4/7	$2 \frac{1}{4} \cdot \frac{4}{7}$ $2 \frac{1}{4} \cdot \frac{4}{7}$
55613	化简	2 1/5*10/7	$2 \frac{1}{5} \cdot \frac{10}{7}$ $2 \frac{1}{5} \cdot \frac{10}{7}$
55614	化简	2 1/5*5/6	$2 \frac{1}{5} \cdot \frac{5}{6}$ $2 \frac{1}{5} \cdot \frac{5}{6}$
55615	化简	2 1/5*1 2/3	$2 \frac{1}{5} \cdot 1 \frac{2}{3}$ $2 \frac{1}{5} \cdot 1 \frac{2}{3}$
55616	化简	(2 1/5*(-2 2/15))÷3 1/10	$2 \frac{1}{5} \cdot (- 2 \frac{2}{15}) \div 3 \frac{1}{10}$ $2 \frac{1}{5} \cdot (- 2 \frac{2}{15}) \div 3 \frac{1}{10}$
55617	化简	2 1/5÷1 1/2	$2 \frac{1}{5} \div 1 \frac{1}{2}$ $2 \frac{1}{5} \div 1 \frac{1}{2}$
55618	化简	2 1/5÷1 2/7	$2 \frac{1}{5} \div 1 \frac{2}{7}$ $2 \frac{1}{5} \div 1 \frac{2}{7}$
55619	化简	2 1/5÷3 2/3	$2 \frac{1}{5} \div 3 \frac{2}{3}$ $2 \frac{1}{5} \div 3 \frac{2}{3}$
55620	化简	2 1/6*1 4/9	$2 \frac{1}{6} \cdot 1 \frac{4}{9}$ $2 \frac{1}{6} \cdot 1 \frac{4}{9}$
55621	化简	2 1/6-11/18	$2 \frac{1}{6} - \frac{11}{18}$ $2 \frac{1}{6} - \frac{11}{18}$
55622	化简	-2 1/6+5/24	$- 2 \frac{1}{6} + \frac{5}{24}$ $- 2 \frac{1}{6} + \frac{5}{24}$
55623	化简	2 1/6+3 3/8	$2 \frac{1}{6} + 3 \frac{3}{8}$ $2 \frac{1}{6} + 3 \frac{3}{8}$
55624	化简	2 1/6-5 2/3	$2 \frac{1}{6} - 5 \frac{2}{3}$ $2 \frac{1}{6} - 5 \frac{2}{3}$
55625	化简	2 1/6*3	$2 \frac{1}{6} \cdot 3$ $2 \frac{1}{6} \cdot 3$
55626	化简	2 1/7÷4 3/8	$2 \frac{1}{7} \div 4 \frac{3}{8}$ $2 \frac{1}{7} \div 4 \frac{3}{8}$
55627	化简	2 1/8*16	$2 \frac{1}{8} \cdot 16$ $2 \frac{1}{8} \cdot 16$
55628	化简	2 1/8+3 3/4+1 1/2	$2 \frac{1}{8} + 3 \frac{3}{4} + 1 \frac{1}{2}$ $2 \frac{1}{8} + 3 \frac{3}{4} + 1 \frac{1}{2}$
55629	化简	2 1/8÷10 5/8	$2 \frac{1}{8} \div 10 \frac{5}{8}$ $2 \frac{1}{8} \div 10 \frac{5}{8}$
55630	化简	2 1/9*2	$2 \frac{1}{9} \cdot 2$ $2 \frac{1}{9} \cdot 2$
55631	化简	2 1/9-7/6	$2 \frac{1}{9} - \frac{7}{6}$ $2 \frac{1}{9} - \frac{7}{6}$
55632	化简	2-1/(u+1)	$2 - \frac{1}{u + 1}$ $2 - \frac{1}{u + 1}$
55633	化简	2 10/12	$2 \frac{10}{12}$ $2 \frac{10}{12}$
55634	化简	2 11/17*4 1/8	$2 \frac{11}{17} \cdot 4 \frac{1}{8}$ $2 \frac{11}{17} \cdot 4 \frac{1}{8}$
55635	化简	2 13/20*48	$2 \frac{13}{20} \cdot 48$ $2 \frac{13}{20} \cdot 48$
55636	化简	2 17/20+1/50	$2 \frac{17}{20} + \frac{1}{50}$ $2 \frac{17}{20} + \frac{1}{50}$
55637	化简	2 17/27+5 4/5+16 1/9	$2 \frac{17}{27} + 5 \frac{4}{5} + 16 \frac{1}{9}$ $2 \frac{17}{27} + 5 \frac{4}{5} + 16 \frac{1}{9}$
55638	化简	(x^2-5x-9)/9	$\frac{x^{2} - 5 x - 9}{9}$ $\frac{x^{2} - 5 x - 9}{9}$
55639	化简	2-2/3	$2 - \frac{2}{3}$ $2 - \frac{2}{3}$
55640	化简	2 2/3*1 3/4	$2 \frac{2}{3} \cdot 1 \frac{3}{4}$ $2 \frac{2}{3} \cdot 1 \frac{3}{4}$
55641	化简	2 2/3*1 3/8	$2 \frac{2}{3} \cdot 1 \frac{3}{8}$ $2 \frac{2}{3} \cdot 1 \frac{3}{8}$
55642	化简	2 2/3-1/4	$2 \frac{2}{3} - \frac{1}{4}$ $2 \frac{2}{3} - \frac{1}{4}$
55643	化简	2 2/3-1 1/2	$2 \frac{2}{3} - 1 \frac{1}{2}$ $2 \frac{2}{3} - 1 \frac{1}{2}$
55644	化简	2 2/3+3 1/2	$2 \frac{2}{3} + 3 \frac{1}{2}$ $2 \frac{2}{3} + 3 \frac{1}{2}$
55645	化简	2 1/3-1 1/2	$2 \frac{1}{3} - 1 \frac{1}{2}$ $2 \frac{1}{3} - 1 \frac{1}{2}$
55646	化简	(x^2-64)/(x-8)	$\frac{x^{2} - 64}{x - 8}$ $\frac{x^{2} - 64}{x - 8}$
55647	化简	2 1/3*(-5/6)	$2 \frac{1}{3} \cdot (\frac{- 5}{6})$ $2 \frac{1}{3} \cdot (\frac{- 5}{6})$
55648	化简	2 1/3*1/3	$2 \frac{1}{3} \cdot \frac{1}{3}$ $2 \frac{1}{3} \cdot \frac{1}{3}$
55649	化简	2 1/3*1/7	$2 \frac{1}{3} \cdot \frac{1}{7}$ $2 \frac{1}{3} \cdot \frac{1}{7}$
55650	化简	2 1/3*5 1/3	$2 \frac{1}{3} \cdot 5 \frac{1}{3}$ $2 \frac{1}{3} \cdot 5 \frac{1}{3}$
55651	化简	2 1/3-3/4	$2 \frac{1}{3} - \frac{3}{4}$ $2 \frac{1}{3} - \frac{3}{4}$
55652	化简	2 1/3-4/5	$2 \frac{1}{3} - \frac{4}{5}$ $2 \frac{1}{3} - \frac{4}{5}$
55653	化简	2 1/3+1 1/3	$2 \frac{1}{3} + 1 \frac{1}{3}$ $2 \frac{1}{3} + 1 \frac{1}{3}$
55654	化简	(x^2-6x-27)/(x^2-6x+9)	$\frac{x^{2} - 6 x - 27}{x^{2} - 6 x + 9}$ $\frac{x^{2} - 6 x - 27}{x^{2} - 6 x + 9}$
55655	化简	2 1/2+3 3/4+5 1/8	$2 \frac{1}{2} + 3 \frac{3}{4} + 5 \frac{1}{8}$ $2 \frac{1}{2} + 3 \frac{3}{4} + 5 \frac{1}{8}$
55656	化简	(x^2-7x+6)/(5x^2-5)	$\frac{x^{2} - 7 x + 6}{5 x^{2} - 5}$ $\frac{x^{2} - 7 x + 6}{5 x^{2} - 5}$
55657	化简	2 1/2÷(2/3)	$2 \frac{1}{2} \div \frac{2}{3}$ $2 \frac{1}{2} \div \frac{2}{3}$
55658	化简	(-2 1/2)÷(2/5)	$- 2 \frac{1}{2} \div \frac{2}{5}$ $- 2 \frac{1}{2} \div \frac{2}{5}$
55659	化简	2 1/2÷(5/8)	$2 \frac{1}{2} \div \frac{5}{8}$ $2 \frac{1}{2} \div \frac{5}{8}$
55660	化简	2 1/2÷1 3/4	$2 \frac{1}{2} \div 1 \frac{3}{4}$ $2 \frac{1}{2} \div 1 \frac{3}{4}$
55661	化简	2 1/2÷1 5/7	$2 \frac{1}{2} \div 1 \frac{5}{7}$ $2 \frac{1}{2} \div 1 \frac{5}{7}$
55662	化简	2 1/2-4 2/3	$2 \frac{1}{2} - 4 \frac{2}{3}$ $2 \frac{1}{2} - 4 \frac{2}{3}$
55663	化简	(2.4f)÷7.2	$2.4 f \div 7.2$ $2.4 f \div 7.2$
55664	化简	2.5÷1.6	$2.5 \div 1.6$ $2.5 \div 1.6$
55665	化简	2.50÷0.10cent	$2.5 \div 0.1$ $2.5 \div 0.1$ cents
55666	化简	2.536.0210^23	$2.53 \cdot 6.02 \cdot 10^{23}$ $2.53 \cdot 6.02 \cdot 10^{23}$
55667	化简	(x^2-9)/((x+3)^2)	$\frac{x^{2} - 9}{{(x + 3)}^{2}}$ $\frac{x^{2} - 9}{{(x + 3)}^{2}}$
55668	化简	(2.576( 0.7(1-0.7)))/500 的平方根	$\frac{2.576 (\sqrt{0.7 (1 - 0.7)})}{500}$ $\frac{2.576 (\sqrt{0.7 (1 - 0.7)})}{500}$
55669	化简	2.5cd-3.2dc+4.1d^2c-3.5c+5.8d-3d^2c-cd^2	$2.5 c d - 3.2 d c + 4.1 d^{2} c - 3.5 c + 5.8 d - 3 d^{2} c - c d^{2}$ $2.5 c d - 3.2 d c + 4.1 d^{2} c - 3.5 c + 5.8 d - 3 d^{2} c - c d^{2}$
55670	化简	-2.5n(1-2n)-1.5n	$- 2.5 n (1 - 2 n) - 1.5 n$ $- 2.5 n (1 - 2 n) - 1.5 n$
55671	化简	2.5percent^80000	$2.5 p e r c e n t^{80000}$ $2.5 p e r c e n t^{80000}$
55672	化简	2.5y-5	$2.5 y - 5$ $2.5 y - 5$
55673	化简	-2.6-4.6÷(0.6-5.4*-5.5)+4.1	$- 2.6 - 4.6 \div (0.6 - 5.4 \cdot - 5.5) + 4.1$ $- 2.6 - 4.6 \div (0.6 - 5.4 \cdot - 5.5) + 4.1$
55674	化简	2.6÷1 1/2	$2.6 \div 1 \frac{1}{2}$ $2.6 \div 1 \frac{1}{2}$
55675	化简	2.6km+0.72m	$2.6 km + 0.72 m$ $2.6 km + 0.72 m$
55676	化简	2.7(2x+4)+3.1r	$2.7 (2 x + 4) + 3.1 r$ $2.7 (2 x + 4) + 3.1 r$
55677	化简	2.7÷1.6	$2.7 \div 1.6$ $2.7 \div 1.6$
55678	化简	5/6+1/3*5/8	$\frac{5}{6} + \frac{1}{3} \cdot \frac{5}{8}$
55679	化简	2.86÷0.01	$2.86 \div 0.01$
55680	化简	-2.9-(-6.5)	$- 2.9 - (- 6.5)$
55681	化简	2.9110^212	$2.91 \cdot 10^{21} \cdot 2$
55682	化简	2.98÷11.5	$2.98 \div 11.5$
55683	化简	-2((8y-3y)-(12y+9))	$- 2 ((8 y - 3 y) - (12 y + 9))$
55684	化简	2(-2y+2(2-3(6y+1)))	$2 (- 2 y + 2 (2 - 3 (6 y + 1)))$
55685	化简	2(6+2(9-4/(5+1)))	$2 (6 + 2 (9 - \frac{4}{5 + 1}))$
55686	化简	(x^2-9x+14)/(x-7)	$\frac{x^{2} - 9 x + 14}{x - 7}$
55687	化简	2((m^2n)÷m)^6*(3^(1/2)n^3)^2	$2 {(m^{2} n \div m)}^{6} \cdot {(3^{\frac{1}{2}} n^{3})}^{2}$
55688	化简	-2(-2a^9b^4)^3(3a^9b)^2	$- 2 {(- 2 a^{9} b^{4})}^{3} {(3 a^{9} b)}^{2}$
55689	化简	2(2a)^2+3(2a)	$2 {(2 a)}^{2} + 3 (2 a)$
55690	化简	-2(75)^2	$- 2 {(75)}^{2}$
55691	化简	2(8+3y)^2	$2 {(8 + 3 y)}^{2}$
55692	化简	(2(u+v))/(2v)	$\frac{2 (u + v)}{2 v}$
55693	化简	(2(w^2+w-6))/(w^2+4w-5)*(w^3-3w^2+2w)/(4w^2-6w)	$\frac{2 (w^{2} + w - 6)}{w^{2} + 4 w - 5} \cdot \frac{w^{3} - 3 w^{2} + 2 w}{4 w^{2} - 6 w}$
55694	化简	2.25÷32	$2.25 \div 32$
55695	化简	(2.25m)÷9	$2.25 m \div 9$
55696	化简	2.25mi	$2.25 mi$
55697	化简	2.2k+5+7.9k+8	$2.2 k + 5 + 7.9 k + 8$
55698	化简	2.2*(-8.3)	$2.2 \cdot (- 8.3)$
55699	化简	-2.3-(4.5-3 1/2)	$- 2.3 - (4.5 - 3 \frac{1}{2})$
55700	化简	-2.3y+8.6y	$- 2.3 y + 8.6 y$