A letter to a distant child

A letter to a distant child


Letter to distant children dear Luo Chun, you must be very surprised to receive my letter. I don't know you at all. How can I write to you? After reading the following, you will understand. I met you on the Netease forum by accident. I saw the real photos of the thatched cottage and the furnishings of the house where you and your classmates live



I want to write a letter to the distant children





A letter to a distant child hand in hand


Wang Xiaohong: I'm a 12-year-old girl from Longchang County, studying in class 1, grade 6, experimental primary school in Longchang County. I have long black hair, small cherry mouth, facial features and fair skin. The purpose of my letter is to let us hold hands and sincerely set up a



On a map with a scale of 1:4000000, the distance between a and B is 8 cm, then the actual distance between a and B is () km


320



The inequality (M + 1) x & sup2; - (1-m) x + m ≤ 0 holds for any real number x, and the range of M is obtained


If the inequality is true, it must be a quadratic equation of one variable (the first equation has monotonicity), and m



There are two double digits A and B. two seventh of a is equal to two third of B. what is the biggest difference between the two double digits
A: B = []: [] = []: [], the number of a is [], the number of B is [], from the two digits of a, the maximum number of each is [], the difference between a and B is []


A: B = 7:3 = 91:39
The number a is seven and the number B is three
According to the double-digit number of a, the maximum number of each copy is 13, and the difference between a and B is 4
Maximum difference = 4 * 13 = 52



301 power of (- 2) * (- 1 / 8) 100 power


301 power of (- 2) * (- 1 / 8) 100 power
=-The 300th power of 2x2 and the 100th power of X (1 / 8)
=-The 100th power of 2x8 and the 100th power of X (1 / 8)
=-The 100th power of 2x (8X1 / 8)
=-2x1
=-2



A car and a freight car run from two places 420 kilometers apart at the same time and meet after 3 o'clock. The speed ratio of the car and the freight car is 3:2, and the freight car completes the whole journey
How long does it take?


At the same time, traveling for 3 hours means that the time is fixed, the distance is proportional to the speed, and the distance ratio is also 3:2
420 × 2 / 5 = 168. It's a 3-hour journey for freight cars
168 △ 3 = 56 km. Speed of freight car
420 △ 56 = 7.5 hours



Triangle ABC, a = 80, B = 100, B = 30 degrees. Then the number of solutions of angle a is? Help~


Triangle ABC, a = 80, B = 100, B = 30 degrees
Sine formula
sinA/a=sinB/b
sinA/80=1/2/100
sinA= 2/5



The two passenger and freight cars leave from both places at the same time. When they meet, the ratio of the journey of the passenger car to that of the freight car is 5:3. It is known that the passenger car travels 122 kilometers more than the freight car. How many kilometers are there between the two places?


A: the distance between a and B is 488 km