-How to solve the problem of 4 and 7 / 8 - (+ 4 and 1 / 2) - (- 5 and 1 / 2) + (- 3 and 1 / 8) -4 and 7 / 8 - (+ 4 and 1 / 2) - (- 5 and 1 / 2) + (- 3 and 1 / 8) calculation process! As simple as possible! It's better to answer before today or tomorrow | Math enthusiast | Mathematical art

-How to solve the problem of 4 and 7 / 8 - (+ 4 and 1 / 2) - (- 5 and 1 / 2) + (- 3 and 1 / 8) -4 and 7 / 8 - (+ 4 and 1 / 2) - (- 5 and 1 / 2) + (- 3 and 1 / 8) calculation process! As simple as possible! It's better to answer before today or tomorrow

-4 and 7 / 8 - (+ 4 and 1 / 2) - (- 5 and 1 / 2) + (- 3 and 1 / 8)
=(- 4 and 7 / 8-3 and 1 / 8) + (- 4 and 1 / 2 + 5 and 1 / 2)
=-8+1
=-7

RELATED INFORMATIONS

1. The solution of the system of linear equations with one variable, removing bracket, shifting term, removing denominator and changing sign
2. How to prove that the sum of the products of the elements of any column (row) of n-order determinant d = / AIJ / and the corresponding elements of another column (row) is equal to zero
3. Factorization 2009 + 2009 ^ 2-2010 ^ 2
4. Solve a few questions 1. If there is a point on the line y = - 3 / 1 x-4, the distance from P to X axis is 2, then the coordinate of point P is______ 2. If the fractional equation x-3 / X-1 = x-3 / MX has no solution, then the value of M is______
5. If f (x) satisfies f (x) + 2F (1 / x) = 5x + 4 / x, then f (x)=
6. Explain quadratic function and power function
7. What is the number of a three digit number, which is 18 times the sum of hundreds, tens and ones, equal to itself?
8. （1） (a²+b²)²-a²b² （2） 49（a-b）²-16（a+b）² （3） a²b²-2ab+1 （4） 9-12a+4a² （5）4x²+4x+1 （6） x²-6xy+9y²
9. Solution equation: (2.5x + x) * 1.4 = 11.9
10. Through the point m (2,1), make a straight line l-intersection hyperbola x ＾ 2 - (Y ＾ 2) / 2 = 1 at two points a and B, and M is the midpoint of ab. solve the linear l-equation for detailed solution,
11. Given X & sup2; - 4Y & sup2; = - 15, x + 2Y = 3, find the value of X and y
12. Decomposition factor, 25X square, quartic power + 10x square + 1
13. For example, 5.2-x = 1.721/x = 8.478-x = 32
14. Given that the corresponding number of point a on the number axis is a, and / A + 4 / + / B-1 / = 0, the distance between a and B is recorded as / AB /, and / AB / = / A-B / 1, find the length of line AB / AB /; 2. Let the number corresponding to point P on the number axis be X. when / PA / - / Pb / = 2, find the value of X
15. Given that the number corresponding to point a on the number axis is a, the number corresponding to point B is B, and | a + 4 | + | B-1 | = 0, the distance between a and B is recorded as | ab |, and | ab | = | A-B | 1. Let the number corresponding to point P on the number axis be X. when | PA | - | Pb | = 2, find the value of X; 2. If the point P is on the left side of a, and m and N are the midpoint of PA and Pb respectively, when P moves on the left side of a, the following two conclusions will be drawn: 1. The value of | PM | + | PN | remains unchanged; 2. The value of | PN | - | PM | remains unchanged, and only one of them is correct. Please judge the correct conclusion and find its value
16. Given that the number corresponding to point a on the number axis is a, the number corresponding to point B is B, and | a + 4 | + (B-1) 2 (this is the second power) = 0, the distance between a and B is recorded as | ab |, (2) Let the number corresponding to point P on the number axis be X. when PA Pb = 2, find the value of X (3) If the point P is on the left side of a, m and N are the midpoint of PA and Pb respectively, when P moves on the left side of a, the following two conclusions (1) the value of PM + PN remains unchanged; (2) the value of PN - PM remains unchanged. (1) (2) there is only one correct conclusion, judge and find its value
17. The positions of rational numbers a, B and C on the number axis are shown in the figure. If M = | a + B | - | B-1 | - | a-c | - | 1-C |, then the value of - 1001 is? b a c ─┴────┴──┴───┴─┴─＞ 0 1 ）There will be a reward for wealth before 10 o'clock this evening! It will be invalid if it is too late!]
18. The positions of rational numbers a, B and C on the number axis are shown in the figure. If M = | a + B | - | B-1 | - | a-c | - | 1-C |, the value of 100m is______ ．
19. The positions of rational numbers a, B and C on the number axis are shown in the figure. If M = | a + B | - | B-1 | - | a-c | - | 1-C |, the value of 100m is______ ．
20. The positions of rational numbers a, B and C on the number axis are shown in the figure. If M = | a + B | - | B-1 | - | a-c | - | 1-C |, what is the value of 100m? ----|------|----|-----|-----|----- b a 0 c 1 The first point represents B and the second point represents a