Term shifting is a common deformation in solving equations. Its theoretical basis is that ()
1. The property of the equation is that if the same quantity is added or subtracted on both sides of the equation, the equation holds. 2. Sign changing
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- 1. The principle of "term shifting" in solving equations is based on ()
- 2. Solving equation with transfer term 1、18x+5=45-2(X-15) 2、2X+4+5X=4+11 3、6X+18-2X=X-5X+26 4、5(X-3)-5=2(X-4) 5、6X-2(X-3)=3X+10 The solution should be complete,
- 3. In solving the equation, the term should be shifted according to ()
- 4. Inequalities on logarithm (in x) + 1 > 0 for X
- 5. log2^x >= log4^(3x+4) How can log2 and log4 become the same base? Ah, it should be very simple for you. I hope some good people can help me, The base numbers are two and four
- 6. Solving logarithmic inequality Log (x + 1 is base, (x ^ 2 + X-6) ^ 2 is true) > = 4
- 7. Inequality of logarithmic solution 1 / 2 power of logm2 > 1 M is the base 1 / 2 of 2 is true
- 8. How to solve logarithmic inequality? The logax is less than - 1, where x is greater than 2008 and a is greater than 1
- 9. Fast solution to logarithmic inequality Log base 2 (x ^ - 2x + 2) logarithm > log base 2 (2x-1) logarithm
- 10. Solve the following logarithmic inequality, log1/2 ((4x^2)-x)>1
- 11. What is the basis of moving terms in solving equations?
- 12. The method of moving term to solve equation When Xiao Li solves the equation 13-x = 5A {x is unknown}, he mistakenly looks at - x as + X, and gets the solution of the equation as x = - 2, then the solution of the original equation is?
- 13. 1)2x²-4x-1=0 ;2)5x+2=3x² ;3)(x-2)(3x-5)=1 ;4)(x+6.8)²+x=10²
- 14. If the boundary of the plane region determined by the system of inequalities x = 0, Y > = 0, (n > 0) is a triangle, and its If by the system of inequalities {x=0,(n>0) y>=0 If the boundary of the determined plane region is a triangle and the center of its circumscribed circle is on the x-axis, then the real number M=
- 15. Try to use the system of inequalities to express the triangle region (including boundary) enclosed by the straight line x + y + 2 = 0, x + 2Y + 1 = 0, 2x + y + 1 = 0______ .
- 16. It is known that the equations of the three sides of a triangle are X-Y + 3 = 0, x + 2Y = 0 and 2x + y-4 = 0 respectively. The inner region (including the boundary) of a triangle is represented by a system of inequalities
- 17. Try to use the system of inequalities to express the triangle region (including boundary) enclosed by the straight line x + y + 2 = 0, x + 2Y + 1 = 0, 2x + y + 1 = 0______ .
- 18. Given that the even function y = f (x) is a monotone decreasing function on [- 1,0], and α and β are two inner angles of an acute triangle, then f (sin α)______ F (COS β)
- 19. [mathematics of senior two] it is known that the function f (x) = ax ^ 2 - (2a + 1) x + 2 (a > 0), and the angles a and B are the two inner angles of the acute triangle ABC ①f(sinA)>f(cosB) ②f(sinA)f(sinB) ④f(cosA)
- 20. Find the determinant | A1 A2 A3 A4 A5 | B1 B2 B3 B4 B5 | C1 C2 C3 C4 C5 | B5 B4 B3 B1 | A1 A2 A3 A4 A5|