4X - 12 = 36, (124 - 6x) divided by 4, 8x + L9 = 51

RELATED INFORMATIONS

• 1. The first three of the four numbers are equal ratio series, and the last three are equal difference series. The sum of the first and last two items is 21. The sum of the middle two items is 18
• 2. Given the square ABCD, point a (- 2, - 3), C (1,1), find the coordinates of vertex D
• 3. Let the third-order square matrix a satisfy (a + e) 3 = 0, find all eigenvalues of matrix A, where e is the third-order identity matrix
• 4. The relationship between row ladder matrix and ladder matrix?
• 5. It is known that the 64 power minus one of 3 can be divided by two integers between 75 and 85, and these two integers can be solved
• 6. The square of the square X of 4A * (- the fourth power of two fifths a, the third power of X, the third power of Y) / (- the fifth power of half a, the second power of XY)
• 7. Given 2A + 3B = 6, find the minimum value of 2 / A + 3 / b
• 8. For the form 2A + 3B = 6, find the minimum value of 2 / a plus 3 / b Common product and then use the basic inequality solution. How to solve my basic difference did not understand the answer concept I can't understand the second equal sign. I don't understand the third equal sign with poor foundation
• 9. Given 2A + 3B = 6, find the minimum value of a ^ 2 + B ^ 2? Help to use the basic inequality
• 10. If positive numbers a and B satisfy 2A + 3B = 6, then the minimum value of 2 / A + 3 / B is
• 11. 7 x = 5.6 / 0.8
• 12. When Xiao Gang solved 2x-1 / 2 + 1 = x + A / 2, because when the denominator is removed, the left 1 of the equation is omitted to multiply, so the solution of the equation is x = 4 (1) Finding the correct solution of a (2) equation It's a process
• 13. Simple calculation 11 * 120 of 119 + 108 of 119
• 14. What is 255 + 321? It's 576
• 15. The sum of the three numbers is 312, which can be divided by 7, 8 and 9 respectively, and the quotient is the same______ 、______ And______ ．
• 16. The length ratio of the waist to the ground side of an isosceles triangle is 4:3. Its circumference is 77cm. What is the length of the ground side?
• 17. It is proved that XY (3x + 2) (5Y + 2) can be transformed into the square difference of two polynomials with integer coefficients
• 18. The sum of the three numbers is 312, which can be divided by 7.8.9, and the quotient is the same The three numbers are (), () and (). What do you fill in the blanks?
• 19. The sum of the three numbers is 312, which can be divided by 7, 8 and 9 respectively, and the quotient is the same______ 、______ And______ ．
• 20. Divide a number divisible by 2, 3 and 7 into two numbers, one divisible by 4 and one divisible by 9, and get the quotient. The minimum number of two numbers to be divided is many