Solving practical problems: a number divided by 5 more than 2, divided by 7 more than 2, divided by 11 more than 2, what is the minimum number?
The least common multiple of 5,7,11 is
5×7×11=385
The minimum number is
385+2=387
RELATED INFORMATIONS
- 1. The square of 1990, 199, 11992, 1993 is divided by 4 and 8
- 2. A letter to the children in the earthquake stricken area
- 3. Given the function FX = x squared - 2x 2, then the relationship between F (- 1) f (1) f (2) is
- 4. If f (x + 1) = the square of X + 2x-1, X ∈ [- 1,2], then f (x)=
- 5. Let a = 2x & # 178; - x + 1, B = x & # 178; + X, then the size relation of a and B
- 6. Ratio size: 1 + 2x ^ 4 and 2x ^ 3 + x ^ 2 Do it by doing the difference How do you make this?
- 7. It is proved that no matter what the value of X is, the quadratic trinomial minus 2x-2 is always negative
- 8. Given x > = 3, compare the size relation of X & # 178; - 1 and 2x + 2
- 9. Is this formula wrong
- 10. Given a = 2x square + 3x + 1, B = x square + 2x + 2, when x is what value, A-B = 0?
- 11. Xiao Ming's money is four times that of Xiao Fang's. Xiao Ming spent 60 yuan, Xiao Fang spent 16 yuan, and the rest of Xiao Ming's money is five times that of Xiao Fang's. how much did they have?
- 12. 1. After two cubes are combined into a cuboid, the surface area is reduced by 162cm & sup2? 2. The two cars run towards each other from two places 594km apart, and meet 4.5 hours later. The speed of car a is 1.2 times that of car B. calculate the speed of the two cars Fill in the blanks: The surface area of a cuboid made of 4 pieces of wood with 2 cm edge length is the most reduced____ cm². 2. A cuboid with a height of 10 cm is a cuboid with a circumference of 20 cm at the bottom. The volume of this cuboid is____ CM & sup3;, the surface area is____ cm². 3. From a cuboid, a cuboid with a length of 3cm is cut, and the remaining cuboid with a volume of 45cm & sup3; is cut____ cm.
- 13. Xiaofang's aunt complained that she didn't get a good chance because of her bad work. Xiaofang wants to persuade her. Would you please help her think of a famous saying in this respect? kuai!
- 14. It takes Xiaofang 7 hours and Xiaoli 8 hours to input the same manuscript by computer. How much faster is Xiaofang's work efficiency than Xiaoli's?
- 15. Square of (a + 3) - (A-1)
- 16. Calculate (6a ^ (n + 2) - 8A ^ n) / (- 1 / 2A ^ (n-1))
- 17. Given the square of (a + b) + | B + 3 | = B + 3, and | 2a-b-1 | = 0, find the value of a-b
- 18. [(A-1 / 2) squared + (a + 1 / 2) squared] (2a squared-1 / 2)
- 19. Given that a and B are opposite numbers, and | A-B | = 4 / 5, (1) find the value of a-Ab + B / AB ^ 2 + A-B ^ 2A + 1, (2) if | A-B | = B-A, find the value of a-b
- 20. If a equals 2, then a & sup2; equals 2A Is that right