Mathway | Problemi più comuni

Problemi più comuni

Livello	Argomento	Problema	Problema formattato
42901	求解r	7r+38=12r+13	$7 r + 38 = 12 r + 13$
42902	求解r	-7r+6(1-2r)=-2r+6	$- 7 r + 6 (1 - 2 r) = - 2 r + 6$
42903	求解r	8-(7r)/15=14	$8 - \frac{7 r}{15} = 14$
42904	求解r	8r^2+4r+5=0	$8 r^{2} + 4 r + 5 = 0$
42905	求解r	80000=(r((1.00583)^11-1))/0.00583	$80000 = \frac{r ({(1.00583)}^{11} - 1)}{0.00583}$
42906	求解r	81=3*r^(7-1)	$81 = 3 \cdot r^{7 - 1}$
42907	求解r	8360=8000(1+r(1))	$8360 = 8000 (1 + r (1))$
42908	求解r	8400=5000(1+r/4)^32	$8400 = 5000 {(1 + \frac{r}{4})}^{32}$
42909	求解r	8r+16(-16/50r+13/30)=28/3	$8 r + 16 (- \frac{16}{50} r + \frac{13}{30}) = \frac{28}{3}$
42910	求解r	-8r=64	$- 8 r = 64$
42911	求解r	200=100(1+r/2)^8	$200 = 100 {(1 + \frac{r}{2})}^{8}$
42912	求解r	20024=13800^((r)(6))	$20024 = 13800^{(r) (6)}$
42913	求解r	2240=2000(1+r(6))	$2240 = 2000 (1 + r (6))$
42914	求解r	24+5r=5r+4(2r-4)	$24 + 5 r = 5 r + 4 (2 r - 4)$
42915	求解r	240=3.14*r^2	$240 = 3.14 \cdot r^{2}$
42916	求解r	244=200(1+r/1)(3)	$244 = 200 (1 + \frac{r}{1}) (3)$
42917	求解r	-246=6(16r)	$- 246 = 6 (16 r)$
42918	求解r	25.71=(1.80/(r-0.04))	$25.71 = (\frac{1.8}{r - 0.04})$
42919	求解r	2700=2200(1+r)*5	$2700 = 2200 (1 + r) \cdot 5$
42920	求解r	-2r+1/3-5/2r=-25/6	$- 2 r + \frac{1}{3} - \frac{5}{2} r = - \frac{25}{6}$
42921	求解r	3-(4r+7)=4r-4	$3 - (4 r + 7) = 4 r - 4$
42922	求解r	3(r+1.6)-8r=9.5	$3 (r + 1.6) - 8 r = 9.5$
42923	求解r	3(r-2)-2r=-2+6	$3 (r - 2) - 2 r = - 2 + 6$
42924	求解r	3(r-6)+2=4(r+2-21)	$3 (r - 6) + 2 = 4 (r + 2 - 21)$
42925	求解r	3.2r-1.07=2.77	$3.2 r - 1.07 = 2.77$
42926	求解r	-3.4=r/7	$- 3.4 = \frac{r}{7}$
42927	求解r	3r^3=9	$3 r^{3} = 9$
42928	求解r	-3=r/6-6	$- 3 = \frac{r}{6} - 6$
42929	求解r	3=81*r^(10-1)	$3 = 81 \cdot r^{10 - 1}$
42930	求解r	300=pr^2*6	$300 = p r^{2} \cdot 6$
42931	求解r	318.27=(1+r)^2	$318.27 = {(1 + r)}^{2}$
42932	求解r	320=r(4)	$320 = r (4)$
42933	求解r	3480.00=3000.00(1+r(2))	$3480 = 3000 (1 + r (2))$
42934	求解r	35=1450r(0.425)	$35 = 1450 r (0.425)$
42935	求解r	36 = square root of 39^2-(r-6)^2	$36 = \sqrt{39^{2}} - {(r - 6)}^{2}$
42936	求解r	3r(r+3)=30	$3 r (r + 3) = 30$
42937	求解r	-3r=21	$- 3 r = 21$
42938	求解r	-3r=-9	$- 3 r = - 9$
42939	求解r	-3r-5=-2+3r	$- 3 r - 5 = - 2 + 3 r$
42940	求解r	3r-5=2r	$3 r - 5 = 2 r$
42941	求解r	3r-7=5	$3 r - 7 = 5$
42942	求解r	4(2r+8)=88	$4 (2 r + 8) = 88$
42943	求解r	4(r)=25-3r	$4 (r) = 25 - 3 r$
42944	求解r	-4(r+8)=-55	$- 4 (r + 8) = - 55$
42945	求解r	-4+r=-17	$- 4 + r = - 17$
42946	求解r	-4=(-11-r)/(2-(-5))	$- 4 = \frac{- 11 - r}{2 - (- 5)}$
42947	求解r	1.5(r+0.2)=1.5	$1.5 (r + 0.2) = 1.5$
42948	求解r	1.5+0.3r=-4.2	$1.5 + 0.3 r = - 4.2$
42949	求解r	1.86÷r=62	$1.86 \div r = 62$
42950	求解r	1-(136*1-0.00000836(1+r)^-136)=0.07441	$1 - (136 \cdot 1 - 0.0\overline{000083} {(1 + r)}^{- 136}) = 0.07441$
42951	求解r	1=64(r)^3	$1 = 64 {(r)}^{3}$
42952	求解r	10-5/2=r-6*3	$10 - \frac{5}{2} = r - 6 \cdot 3$
42953	求解r	10=r	$10 = r$
42954	求解r	103.7=(1/(1+r))*30.4/r	$103.7 = (\frac{1}{1 + r}) \cdot \frac{30.4}{r}$
42955	求解r	10r+8=58	$10 r + 8 = 58$
42956	求解r	-10rs+6r=7s	$- 10 r s + 6 r = 7 s$
42957	求解r	1200r+1.10=2.50	$1200 r + 1.1 = 2.5$
42958	求解r	13=3r	$13 = 3 r$
42959	求解R	-13=5+R	$- 13 = 5 + R$
42960	求解r	135=75+0.80r	$135 = 75 + 0.8 r$
42961	求解r	1381.02=1250(1+r/12)^(1.33*12)	$1381.02 = 1250 {(1 + \frac{r}{12})}^{1.33 \cdot 12}$
42962	求解r	14641=r^4	$14641 = r^{4}$
42963	求解r	-14n+k=rt-4n	$- 14 n + k = r t - 4 n$
42964	求解r	-14r=-14	$- 14 r = - 14$
42965	求解r	-14r-19=303	$- 14 r - 19 = 303$
42966	求解r	15r^2+3r+2=0	$15 r^{2} + 3 r + 2 = 0$
42967	求解r	154=((22÷7)(r^2))/((2/3)/4)	$154 = \frac{(22 \div 7) (r^{2})}{\frac{\frac{2}{3}}{4}}$
42968	求解r	-15r=-75	$- 15 r = - 75$
42969	求解r	16.50=(250)(r)(0.32876)	$16.5 = (250) (r) (0.32876)$
42970	求解r	16=z^(2^(2r-3))	$16 = z^{2^{2 r - 3}}$
42971	求解r	16=8r	$16 = 8 r$
42972	求解r	16r-7r=18	$16 r - 7 r = 18$
42973	求解r	18=r/3	$18 = \frac{r}{3}$
42974	求解r	1800=1400(1+r/4)^32	$1800 = 1400 {(1 + \frac{r}{4})}^{32}$
42975	求解r	18r-6y=3	$18 r - 6 y = 3$
42976	求解r	2(r-4)=5r-7	$2 (r - 4) = 5 r - 7$
42977	求解r	2pr^2=a	$2 p r^{2} = a$
42978	求解r	2r^2-5r-12=0	$2 r^{2} - 5 r - 12 = 0$
42979	求解r	2r^2-r+4=0	$2 r^{2} - r + 4 = 0$
42980	求解r	2r^3=10	$2 r^{3} = 10$
42981	求解r	2=(54)r^3	$2 = (54) r^{3}$
42982	求解r	2=r-10	$2 = r - 10$
42983	求解r	20=5/(2r)*(r+14)	$20 = \frac{5}{2 r} \cdot (r + 14)$
42984	求解q	12-q/4=1	$12 - \frac{q}{4} = 1$
42985	求解q	12=q/4	$12 = \frac{q}{4}$
42986	求解q	12-q=8	$12 - q = 8$
42987	求解q	12q-5=5q-2	$12 q - 5 = 5 q - 2$
42988	求解q	12q-9=8q+14	$12 q - 9 = 8 q + 14$
42989	求解q	13-q=0.9	$13 - q = 0.9$
42990	求解q	2-2q=0	$2 - 2 q = 0$
42991	求解q	28.8=910^9(q*3000)/16	$28.8 = 9 \cdot 10^{9} \cdot \frac{q \cdot 3000}{16}$
42992	求解q	2p-3q=7	$2 p - 3 q = 7$
42993	求解q	2q+5+6q-7=25	$2 q + 5 + 6 q - 7 = 25$
42994	求解q	2q-3(q+3)=23	$2 q - 3 (q + 3) = 23$
42995	求解q	-2q-3=3	$- 2 q - 3 = 3$
42996	求解q	3-4/q-32/(q^2)=0	$3 - \frac{4}{q} - \frac{32}{q^{2}} = 0$
42997	求解q	3 7/8+q=1 1/2	$3 \frac{7}{8} + q = 1 \frac{1}{2}$
42998	求解q	3+5q=98	$3 + 5 q = 98$
42999	求解q	333=480-7/4q	$333 = 480 - \frac{7}{4} q$
43000	求解q	35=2q	$35 = 2 q$