![](data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 72 71" width="72"></svg>)
The radii of circle O1 and circle 02 are 3cm and 4cm respectively. Under the following conditions, the position relationship between circle O1 and circle O2 can be obtained (1) O1O2 = 8 cm (2) O1O2 = 7 cm (3) O1O2 = 5cm (4) O1O2 = 1cm (5) O1O2 = 0.5cm (6) 01 and O2 coincide
1. Outward 2. Circumscribe 3. Intersect 4. Inscribe 5. Inward 6. Circle
RELATED INFORMATIONS
- 1. A cylindrical steel is 1 meter long and 1 cm in cross-sectional diameter. How many cubic centimeters is the volume of this steel? If each cubic centimeter of steel weighs 7.5 grams, how many kilograms does this steel weigh?
- 2. A simple method to calculate 15 × (4 + 20)=
- 3. 25 1 / 3 - [(20-15 3 / 4) + (13 3 / 4-17)]
- 4. The process of finding [6 and 5 / 3 - (8.5-1 / 3) △ 3.5] × (2 and 18 / 5 + 12 / 11)
- 5. 5 / 9 + 3 / 11 + 4 / 9 + 8 / 11 + 7 / 18 △ 4 + 3 / 4 × 7 / 18 (1 / 4-1 / 6) × 12 5 of 9 + 3 of 11 + 4 of 9 + 8 of 11 + 7 of 18 △ 4 + 3 of 4 × 7 of 18 (1 of 4-1 of 6) × 12 important process
- 6. 4 + 4 + 1 / 2 * 6 / 7 / 9 / 5 of 14 -- (1 + 5 / 6 + 1 + 11 / 18)
- 7. 1 out of 18 + (2 out of 3 + 4 out of 21) = = = How much is it?
- 8. （1/1*4）+（1/2*5）+（1/3*6）...+（1/17*20）+（1/18*21）=?
- 9. 13-[26-(-21)+（-18)]=
- 10. What is the quotient of dividing 4 out of 9 into 1 out of 9 out of 18? Is it division or not
- 11. What is a number that is three-thirds larger, two-thirds less, divided by two, plus one-quarter equal to seven twelfth
- 12. Given that the equation x2 + IX + 6 = 5x + 2I has real roots, try to find two roots of this equation
- 13. The formula 35 divided by 8 is equal to 4. 3 can solve many problems in life. Please write a mathematical problem solved by this formula
- 14. It is known that circle C1: x square plus y square plus 3 is equal to 0. If circle C2 and circle C1 are circumscribed and tangent to the line L: X equal to 1, the trajectory equation of the center of circle C2 is obtained If the tangents of circle C1 are equal on the x-axis and y-axis, the tangent equation is obtained
- 15. The expression of time (English) 1:40 1:50 1:55 o (∩)_ Good drops have points and adopt~
- 16. If x is known to be an acute angle, SiNx = 3-m / M + 1, cosx = 2m-1 / M + 1, then M =? Tana =? In a hurry
- 17. 75 times 31 / 5 plus 2.8 divided by 4 / 11 plus 11 / 4 equals
- 18. Given the quadratic function f (x) = ax & # 178; + BX + C, if a > b > C and f (1) = 0, it is proved that the image of F (x) and X axis have two different intersections
- 19. The conversion of degree, minute and second: 22 ° 18 '= () 36.4' = () () () '"
- 20. Solution equation: 2x + 4 = - 3x + 15