-
Anonymous users2024-02-071. Least common multiple problem:
The least common multiple is 2x5x4=40
So another 40 days and a business trip at the same time.
2. Let the football x element be obtained from the known: volleyball x+8 (yuan), basketball x+10 (yuan), so the equation x+(x+8)+(x+10)=36x3 can be solved to obtain x=30 (yuan).
3. Ordinary Youth Algorithm:
Let the four numbers be a, b, c, and d
From the known conditions, it can be obtained: a+b+c=22 1b+c+d=24 2
c+d+a =27 3
d+a+b=20 4
Subtract, add, subtract, add 4 unknowns 4 equations can definitely solve the value of ABCD!!
Literary Youth Algorithm:
Let the sum of the four numbers be s, and the four numbers are a, b, c, and d, which are known to be obtained:
s-a=22 1
s-b=24 2
s-c=27 3
s-d=20 4
a+b+c+d=s 5
1+2+3+4 gives 4s-a-b-c-d=22+24+27+20 and substitutes5 to get 3s=93, so s=31
So: a=9 b=7 c=4 d=11
Two forced youth algorithm:
Interesting question: The area of the square with medium circumference is greater than the rectangle, and the volume of the cube with the medium side length of the three-dimensional figure is larger than the cuboid, so no matter how many numbers are divided, the product must be the largest when it is divided into equal parts, and the product is the largest when 16 is divided into 6 parts, and the product is about 359 at this time.
The x-axis represents the number of parts, and the y-axis represents the result of multiplication, and the result of more than 16 equal divisions is less than 1!!
Hope!!!
-
Anonymous users2024-02-06A business trip every 8 days indicates that it is on the 9th day, and a business trip every 10 days indicates that it is on the 11th day. This problem can be solved using short division to find the least common multiple of 9 and 11. The column formula is 8+1=9 10+1=11 9*11=99 You can also list it little by little, which is not easy to make mistakes, but it is very troublesome.
-
Anonymous users2024-02-052.Solution: Let soccer be (x+10) yuan, basketball (x+10) yuan, and volleyball (x+8) yuan. 1/3（x+x+8+x+10）=36
x=30A: 30 yuan for football.
-
Anonymous users2024-02-04and 10, the least common multiple is 40
At least another 40 days are on a business trip at the same time.
2. Solution: Set the football x yuan.
x+10+x+8+x=36×3
x=30A: ......
Estimating the population distribution with the frequency distribution of the sample [self-perception]: 1In the frequency distribution histogram, the high representation of the small rectangle (a >>>More
1. A completes one-fifth of the work in 3 days, then completes 1 15 in one day, and B completes two-fifths of the work in 4 days, then completes 1 10 in one day, and two people can complete this work in one day. >>>More
The phenomenon of dropping and adding to each other is mainly related to the amount. Two different reactions may occur in one reactant from less to more, so the phenomenon will be different. >>>More
Assuming that the speed of A and B is that the distance between the two stations is Z, the first time is after the t1 time, and the second time is T2, when the first encounter, A and B have traveled the whole distance Z, because the first time they meet 12 kilometers west of the midpoint, and it is 12kmt1=z 2-12 xThe second meeting place is 20 kilometers away from the East Railway Station, and A has already traveled Z+20kmT2=Z+20 x The system of equations (Z 2-12) (x+y) x=Z can be obtained from the above; (x+y)(z+20) x=3zEquation2 Equation 1 yields (2z+40) (z-24)=3 and z=112
1.Fill a cylindrical cup with r of 10cm with water, put a conical plumb with a bottom r of 5cm in the water, when the plumb is taken out of the water, the water in the cup falls, what is the h of this plumb? >>>More