Mathway | Problemi più comuni

Problemi più comuni

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Livello	Argomento	Problema	Problema formattato
74601	求解x	logaritmo di x=-2	$\log (x) = - 2$
74602	求解x	7(x+1)=4-2(7x+5)	$7 (x + 1) = 4 - 2 (7 x + 5)$
74603	求解x	7(5x-2)=6(6x-1)	$7 (5 x - 2) = 6 (6 x - 1)$
74604	求解x	7x^2-3x-2=0	$7 x^{2} - 3 x - 2 = 0$
74605	求解x	7x+3y=21	$7 x + 3 y = 21$
74606	Moltiplicare le Matrici	[[1,2,0],[0,-1,7],[2,-3,-1]]*[[2,0,5],[0,2,0],[3,1,5]]	$[\begin{array}{c} 1 & 2 & 0 \\ 0 & - 1 & 7 \\ 2 & - 3 & - 1 \end{array}] \cdot [\begin{array}{c} 2 & 0 & 5 \\ 0 & 2 & 0 \\ 3 & 1 & 5 \end{array}]$
74607	求解x	8x-(3x+2)=3x-10	$8 x - (3 x + 2) = 3 x - 10$
74608	求解x	8x=24	$8 x = 24$
74609	求解x	8x=4	$8 x = 4$
74610	求解x	8x+48=3x-12	$8 x + 48 = 3 x - 12$
74611	Moltiplicare le Matrici	[[1,2],[1,3]][[3,4,0,18,1,5],[15,5,2,5,11,18]]	$[\begin{array}{c} 1 & 2 \\ 1 & 3 \end{array}] [\begin{array}{c} 3 & 4 & 0 & 18 & 1 & 5 \\ 15 & 5 & 2 & 5 & 11 & 18 \end{array}]$
74612	求解x	logaritmo naturale di 8x-1=2	$\ln (8 x - 1) = 2$
74613	求解x	logaritmo naturale di x- logaritmo naturale di 3=4	$\ln (x) - \ln (3) = 4$
74614	求解x	logaritmo naturale di x=3.1	$\ln (x) = 3.1$
74615	Moltiplicare le Matrici	[[1,-2],[3,0]][[0,-2,3],[1,-1,4]]	$[\begin{array}{c} 1 & - 2 \\ 3 & 0 \end{array}] [\begin{array}{c} 0 & - 2 & 3 \\ 1 & - 1 & 4 \end{array}]$
74616	求解x	logaritmo naturale di x=3- logaritmo naturale di x+2	$\ln (x) = 3 - \ln (x + 2)$
74617	求解x	logaritmo naturale di (x-1)/2=4	$\ln (\frac{x - 1}{2}) = 4$
74618	Moltiplicare le Matrici	[[1,2],[3,7]][[1],[5]]	$[\begin{array}{c} 1 & 2 \\ 3 & 7 \end{array}] [\begin{array}{c} 1 \\ 5 \end{array}]$
74619	求解x	logaritmo naturale di 1-x+ logaritmo naturale di 3-x = logaritmo naturale di 8	$\ln (1 - x) + \ln (3 - x) = \ln (8)$
74620	求解x	logaritmo naturale di 3x+4=5	$\ln (3 x + 4) = 5$
74621	Moltiplicare le Matrici	[[1,3,1],[-2,1,0]]*[[2,-2],[3,5],[4,1]]	$[\begin{array}{c} 1 & 3 & 1 \\ - 2 & 1 & 0 \end{array}] \cdot [\begin{array}{c} 2 & - 2 \\ 3 & 5 \\ 4 & 1 \end{array}]$
74622	求解x	logaritmo naturale di 4x+1- logaritmo naturale di 3=5	$\ln (4 x + 1) - \ln (3) = 5$
74623	求解x	logaritmo naturale di 4=x	$\ln (4) = x$
74624	求解x	A=Bxt+C	$A = B x t + C$
74625	求解x	ax-c=b	$a x - c = b$
74626	求解x	9x=0	$9 x = 0$
74627	求解x	9x-4y=36	$9 x - 4 y = 36$
74628	求解x	9x-4(x-2)=x+20	$9 x - 4 (x - 2) = x + 20$
74629	Moltiplicare le Matrici	[[1,8],[0,7]][[7,6],[7,4]]=	$[\begin{array}{c} 1 & 8 \\ 0 & 7 \end{array}] [\begin{array}{c} 7 & 6 \\ 7 & 4 \end{array}] =$
74630	求解x	9x-4=2x+3	$9 x - 4 = 2 x + 3$
74631	Moltiplicare le Matrici	[[-1,9],[-10,0],[3,3]][[3,7,4],[-9,2,3]]	$[\begin{array}{c} - 1 & 9 \\ - 10 & 0 \\ 3 & 3 \end{array}] [\begin{array}{c} 3 & 7 & 4 \\ - 9 & 2 & 3 \end{array}]$
74632	Semplificare	radice quadrata di -245	$\sqrt{- 245}$
74633	求解x	9(x-9)=-11	$9 (x - 9) = - 11$
74634	Moltiplicare le Matrici	[[12,-11],[-13,12]][[12,11],[13,12]]	$[\begin{array}{c} 12 & - 11 \\ - 13 & 12 \end{array}] [\begin{array}{c} 12 & 11 \\ 13 & 12 \end{array}]$
74635	求解x	-9(-5-3x)=21	$- 9 (- 5 - 3 x) = 21$
74636	求解x	8x-2=3x+12.25	$8 x - 2 = 3 x + 12.25$
74637	Moltiplicare le Matrici	[[13,20,0,19,3,15],[1,8,9,0,15,12]][[1,2],[1,3]]	$[\begin{array}{c} 13 & 20 & 0 & 19 & 3 & 15 \\ 1 & 8 & 9 & 0 & 15 & 12 \end{array}] [\begin{array}{c} 1 & 2 \\ 1 & 3 \end{array}]$
74638	求解x	5x^2+3=-122	$5 x^{2} + 3 = - 122$
74639	Semplificare	5 radice quadrata di 18	$5 \sqrt{18}$
74640	求解x	5(x+1)=4-2(5x+5)	$5 (x + 1) = 4 - 2 (5 x + 5)$
74641	求解x	5(x+1)=7-2(5x+8)	$5 (x + 1) = 7 - 2 (5 x + 8)$
74642	求解x	4x-y=-4	$4 x - y = - 4$
74643	Moltiplicare le Matrici	[[-2,-3,5]]*[[1,7],[-10,2],[1,-5]]	$[\begin{array}{c} - 2 & - 3 & 5 \end{array}] \cdot [\begin{array}{c} 1 & 7 \\ - 10 & 2 \\ 1 & - 5 \end{array}]$
74644	求解x	4x-5y=5	$4 x - 5 y = 5$
74645	Moltiplicare le Matrici	[[-2,3],[4,2]][[-2,0],[-1,2]]	$[\begin{array}{c} - 2 & 3 \\ 4 & 2 \end{array}] [\begin{array}{c} - 2 & 0 \\ - 1 & 2 \end{array}]$
74646	求解x	4x-5y=0	$4 x - 5 y = 0$
74647	求解x	4x=-8	$4 x = - 8$
74648	Moltiplicare le Matrici	[[2,4],[7,3]][[3,6],[5,2]]	$[\begin{array}{c} 2 & 4 \\ 7 & 3 \end{array}] [\begin{array}{c} 3 & 6 \\ 5 & 2 \end{array}]$
74649	求解x	4x-3=2x+5	$4 x - 3 = 2 x + 5$
74650	Moltiplicare le Matrici	[[2],[3],[4],[5]]*[[2,3,4,5]]	$[\begin{array}{c} 2 \\ 3 \\ 4 \\ 5 \end{array}] \cdot [\begin{array}{c} 2 & 3 & 4 & 5 \end{array}]$
74651	求解x	4x-2=3x+4	$4 x - 2 = 3 x + 4$
74652	求解x	5x^2-10x=0	$5 x^{2} - 10 x = 0$
74653	求解x	5x^2-7x-2=0	$5 x^{2} - 7 x - 2 = 0$
74654	Moltiplicare le Matrici	[[3,1,4],[-1,2,3],[-3,0,-2],[4,-3,0]][[5,3,-3],[4,-11,2],[2,4,1]]	$[\begin{array}{c} 3 & 1 & 4 \\ - 1 & 2 & 3 \\ - 3 & 0 & - 2 \\ 4 & - 3 & 0 \end{array}] [\begin{array}{c} 5 & 3 & - 3 \\ 4 & - 11 & 2 \\ 2 & 4 & 1 \end{array}]$
74655	求解x	5x+3=18	$5 x + 3 = 18$
74656	求解x	5x+6=2x+15	$5 x + 6 = 2 x + 15$
74657	求解x	5x+2=4x-9	$5 x + 2 = 4 x - 9$
74658	求解x	5 logaritmo di x-2=11	$5 \log (x - 2) = 11$
74659	Moltiplicare le Matrici	[[3,4,5,6]][[2],[3],[4],[5]]	$[\begin{array}{c} 3 & 4 & 5 & 6 \end{array}] [\begin{array}{c} 2 \\ 3 \\ 4 \\ 5 \end{array}]$
74660	求解x	-3(2x-5)<5(2-x)	$- 3 (2 x - 5) < 5 (2 - x)$
74661	求解x	-67=6x-1	$- 67 = 6 x - 1$
74662	Moltiplicare le Matrici	[[-3,4,7]][[1,2,3]]	$[\begin{array}{c} - 3 & 4 & 7 \end{array}] [\begin{array}{c} 1 & 2 & 3 \end{array}]$
74663	Moltiplicare le Matrici	[[3,5,2],[-1,8,5]][[7,3,-2],[5,4,3]]	$[\begin{array}{c} 3 & 5 & 2 \\ - 1 & 8 & 5 \end{array}] [\begin{array}{c} 7 & 3 & - 2 \\ 5 & 4 & 3 \end{array}]$
74664	求解x	-6x+3=21	$- 6 x + 3 = 21$
74665	求解x	6x=42	$6 x = 42$
74666	求解x	6x+7=8x-13	$6 x + 7 = 8 x - 13$
74667	求解x	6x-2y=18	$6 x - 2 y = 18$
74668	Moltiplicare le Matrici	[[4,0],[-3,-2]]*[[0,1],[-1,2]]	$[\begin{array}{c} 4 & 0 \\ - 3 & - 2 \end{array}] \cdot [\begin{array}{c} 0 & 1 \\ - 1 & 2 \end{array}]$
74669	求解x	5x+y=6	$5 x + y = 6$
74670	Moltiplicare le Matrici	[[4,8],[2,7]][[3],[1]]	$[\begin{array}{c} 4 & 8 \\ 2 & 7 \end{array}] [\begin{array}{c} 3 \\ 1 \end{array}]$
74671	求解x	5x=y	$5 x = y$
74672	求解x	5-x-2=3+4x+5	$5 - x - 2 = 3 + 4 x + 5$
74673	求解x	5x-3=2x+9	$5 x - 3 = 2 x + 9$
74674	求解x	5x-2y=20	$5 x - 2 y = 20$
74675	求解x	5x-2y=-10	$5 x - 2 y = - 10$
74676	求解x	5x-y=6	$5 x - y = 6$
74677	求解x	6-e^(12x)=5.2	$6 - e^{12 x} = 5.2$
74678	Moltiplicare le Matrici	[[5,6,0]][[2],[-1]]	$[\begin{array}{c} 5 & 6 & 0 \end{array}] [\begin{array}{c} 2 \\ - 1 \end{array}]$
74679	Semplificare	(7x-9)(7x+9)	$(7 x - 9) (7 x + 9)$
74680	Semplificare	8u^3+2u^2+7+(3u^3-7u+8)	$8 u^{3} + 2 u^{2} + 7 + (3 u^{3} - 7 u + 8)$
74681	Semplificare	(7x-1)(7x+1)	$(7 x - 1) (7 x + 1)$
74682	Semplificare	(7x+4y)(7x-4y)	$(7 x + 4 y) (7 x - 4 y)$
74683	Semplificare	(7x+2y)(7x-2y)	$(7 x + 2 y) (7 x - 2 y)$
74684	Semplificare	(7-9i)-(-1+3i)	$(7 - 9 i) - (- 1 + 3 i)$
74685	Semplificare	(7-2i)-(3+9i)	$(7 - 2 i) - (3 + 9 i)$
74686	Semplificare	(7+i)(7-i)	$(7 + i) (7 - i)$
74687	Semplificare	(6x-1)(6x+1)	$(6 x - 1) (6 x + 1)$
74688	Semplificare	(6x+1)(6x+1)	$(6 x + 1) (6 x + 1)$
74689	Semplificare	(-7x^2)(x^4)	$(- 7 x^{2}) (x^{4})$
74690	Semplificare	-7x^5+14-2x+(10x^4+7x+5x^5)	$- 7 x^{5} + 14 - 2 x + (10 x^{4} + 7 x + 5 x^{5})$
74691	Semplificare	(9-4i)(2+9i)	$(9 - 4 i) (2 + 9 i)$
74692	Semplificare	(9+6i)(4+5i)	$(9 + 6 i) (4 + 5 i)$
74693	Semplificare	(8-2i)(5+i)	$(8 - 2 i) (5 + i)$
74694	Semplificare	(a-8)(a-9)	$(a - 8) (a - 9)$
74695	Semplificare	(b-3)(b-9)	$(b - 3) (b - 9)$
74696	Semplificare	(a+6)(a-3)	$(a + 6) (a - 3)$
74697	Semplificare	(a-6)(a+6)	$(a - 6) (a + 6)$
74698	Semplificare	(9x+4y)(9x-4y)	$(9 x + 4 y) (9 x - 4 y)$
74699	Semplificare	(p+q)(4p^2-p-8q^2-q)	$(p + q) (4 p^{2} - p - 8 q^{2} - q)$
74700	Semplificare	(v-1)(3v-3)	$(v - 1) (3 v - 3)$