Guess a four character idiom Whose feet are sticking my teeth

Guess a four character idiom Whose feet are sticking my teeth

What is worth mentioning? What is worth mentioning

Guess a four character idiom from one word
Use the word "Yin" to guess a four character idiom. Is it dark without day?

Sound and color [left black is color, right sound is sound]
The disaster of extermination
Extending in all directions
To be seen by all
Lose color [lose color (black), become sound]

Idioms describing good characters
Better quality, the more the better. I want the answer before 8 o'clock, the earlier the answer, the higher the score!

High spirited and clean minded
Be brave and ready to help others
Never lose money and never give up
Be flexible and open-minded
Just and aboveboard
Lead by example
Be strict with yourself, chivalrous and righteous
Take care of each other with all sincerity
……

What are the maximum two digits of a number within 100 that is a multiple of 2 and a multiple of 3 and 5

90

What are the multiples of 11 within 100

11,22,33,44,55,66,77,88,99

Numbers within 100 that are multiples of 7 and 8 at the same time

56

What is the sum of the multiples of 7 between 100 and 500?

From 100 to 500, the minimum multiple of 7 is 105, and the maximum multiple of 7 is 497
The minimum multiple is 15 and the maximum is 71
Then, the sum is 105 + 7 × (0 + 1 + 2 +55）
=105+7×（0+55）×（55-0+1）÷2=105+7×55×33=105+12705=12810

A multiple of 7 between 100 and 500

7*15 7*16 7*17 7*18.7*71
105 112 119 126.497

How many of these numbers from 1 to 500 are multiples of both 5 and 7

It's a multiple of both 5 and 7. It's a multiple of 5 × 7 = 35
yes
500 △ 35 = 14

How many integers are multiples of 3, 4 and 5 in integers 1-60

1