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If the positions of numbers a and B on the number axis are shown in the figure, then | B | - | a | = -? - a -------- - 0 -------- B is simplified
|b|-|a|=b-a
RELATED INFORMATIONS
- 1. Given the position of a, B and C on the number axis as shown in the figure, try to simplify: | A-B | + | B-C | + | c-a| As shown in the figure: ———|————————|————|————————|—→ c 0 a b
- 2. As shown in the figure, if there is a point E in the square ABCD and the triangle EBC is an equilateral triangle, what is the degree of ∠ bea?
- 3. The starting price of a taxi in a city is 5 yuan (within 3 km), and the average price is 1.5 meters per kilometer for more than 3 km. Xiaomin's family pays 8.9 yuan for the distance between them when they go to grandma
- 4. As shown in the figure, divide the diagonal AC of the square ABCD into 6 segments, and make a square with each segment as the diagonal. Let the sum of the circumference of the six small squares be p, square ABCD What is the relationship between P and l?
- 5. It is known that, as shown in the figure, a is a point on EF, and the quadrilateral ABCD is a parallelogram with ∠ ead = ∠ BAF. (1) prove that △ CEF is an isosceles triangle. (2) which two sides of △ CEF are equal to the perimeter of the parallelogram ABCD? Prove your conclusion
- 6. In the parallelogram ABCD, E.F AB.AD And BF = De, BF and de intersect at point P, the bisector angle c of CP is proved
- 7. （2X-Y）²-4（X-Y）*（X+Y）-（X-Y）*（X-1）
- 8. Given that the area of a circle is 78.5cm, the circumference of the circle is
- 9. Xiaodong has a bicycle with a diameter of about 66cm. If the average speed is 100 cycles per minute, the distance from home to school is 2000m. How many minutes does it take?
- 10. The side length of a square lawn is increased by 2 meters, and the area is increased by 40
- 11. 15. The position of a, B and C on the number axis is shown in the figure, which is simplified |a|+|b|+|c|-|a+b|+|b-1|-|c-a| ____ C_______ b_____ 0__ 1_____ a
- 12. The position of the number a and B on the number axis is shown in the figure to simplify | a + B | + | B-A | + | B | - | a - |||
- 13. Given the position of a, B and C on the number axis, as shown in the figure, simplify | a | a + | B | B + | C | C
- 14. Given the position of a, B and C on the number axis, as shown in the figure, simplify | a | a + | B | B + | C | C
- 15. The position of three numbers a, B and C on the number axis is shown in the figure: simplify | a + B + C | - | C + a-b| C is less than 0, a and B are more than 0 The absolute value of a is less than that of C, and the absolute value of B is greater than that of a and C
- 16. As shown in the figure, given the line AB = 80cm, M is the midpoint of AB, P is on MB, n is the midpoint of Pb, and Nb = 14cm, find the length of PA
- 17. M. N is the trisection point of line AB, and am = one-third AB, P is the midpoint of Nb. If AB = 12 cm, what is pa
- 18. M. N is the trisection point of AB, P is the midpoint of Nb, if AB = 12 cm, then PA=______ Cm
- 19. As shown in the figure, given the line AB = 80cm, M is the midpoint of AB, P is on MB, n is the midpoint of Pb, and Nb = 14cm, find the length of PA
- 20. It is known that ab = 80cm, M is the midpoint of AB, P is on MB, n is the midpoint of Pb, and MB = 14cm Segment Pb =, am =, BM =. Segment PM =, AP =, an=