According to three red lights, two blue lights and one yellow light, what color is the 100th colored light? How many blue lights are there in the 100 colored lights?

According to three red lights, two blue lights and one yellow light, what color is the 100th colored light? How many blue lights are there in the 100 colored lights?


In the 100 lamps, there are 16 groups, three more red lights and one more blue light, that is, 16 × 2 + 1 = 33 blue lights



The lanterns are arranged by 2 red, 3 yellow and 1 red. What color is the 100th


Giving up doesn't mean quitting,
100 (2 + 3 + 1) = 16 (Group) 4 (pieces)
In order of 2 red, 3 yellow and 1 red, the fourth is yellow, so the 100th is yellow



A string of colored lights, arranged by 1 red, 3 blue, 4 yellow and 2 green, what are the colors of the 50th and 60th lights? What is the 17th blue light from the beginning?


1 + 3 + 4 + 2 = 10
50 △ 10 = 5 groups
60 △ 10 = 6 groups
Answer 50 and 60 are green lights
17 △ 3 = 5 groups 2
5 × 10 + 1 + 2 = 53
A: the 17th blue light is the 53rd from the beginning



Put 100 cups into several boxes. The number of cups in each box is different, and none of them is empty. How many boxes can you put at most?


1+2+3+4+5+…… +13



If you put 45 beads in 10 boxes, and the number of beads in each box is not equal, how can you put them? Help me


According to 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 beads, 0 is also counted



Put 45 beads in 10 boxes. The number of each box is different. How to put them


The number of each box is: 0,1,2,3,4,5,6,7,8,9



How to put 44 balls into 10 boxes so that the number of balls in each box is not equal?


Two big boxes, one of which contains four small boxes (2,3,4,5); the other contains four small boxes (6,7,8,9)



There are two kinds of boxes: box a and box B. If box a is divided into 8 boxes, box a and Box B are equal. If Box B is divided into 14 boxes, box a is twice as big as box B. how many boxes are there?


Let B be x, then a = x + 16, so x + 16 + 14 = 2 (x-14) gives x = 58, so a = 74



There are 5-cent and 2-cent coins in the box. One person can pick out 8 coins randomly from the box, totaling 31 cents. How many 5-cent and 2-cent coins are there this time?
What, can we give a solution to the equation


Let's figure out 5 minutes x, 2 minutes y, and list quadratic equations of one variable
x+y=8 5x+2y=31
The solution is x = 5, y = 3
Take out 5 pennies and 3 pennies



There are 8 yellow balls and 5 red balls in the box. If you touch them at least () times, you will surely touch them
A. 8B. 5C. 9D. 6


8 + 1 = 9 (Times), answer: need to touch at least 9 times, will touch the red ball