Class name score

1, and fill in the numbers according to the law.

( 1)64,48,40,36,34,( )

(2)8, 15, 10, 13, 12, 1 1,( )

2, △ and zero respectively represent two different numbers, and:

△+△+△=〇+〇;

△+〇+〇=60

Looking for: △ = () Ф = ()

3. Add appropriate operation symbols (including parentheses) to make the equation hold.

8 8 8 8 8 8 8 8 =200

8 8 8 8 8 8 8 = 1000

4. There are 260 people in Workshop A and Workshop B. Workshop A has 30 fewer people than Workshop B. How many people are there in each workshop?

5. Two pens and a ballpoint pen cost * * 16 yuan, and one pen and two ballpoint pens cost * *1/yuan. How much is a pen?

6. Digital graphics.

* * * There are () triangles * * * There are () squares.

7. Weight of a barrel of oil180kg. Half used, there is still 100 kg in the bucket. How much does this bucket weigh?

8. The sum of the minuend, subtraction and difference is 2076, and the difference is twice that of subtraction. What is a minuet?

9. It takes 30 seconds for someone to walk from 1 building to the third floor. According to this calculation, how many seconds does it take him to walk from the third floor to the 10 floor?

There is a column number 10, which is arranged in the order of 2, 4, 5, 8, 6, 7, 2, 4, 5, 8, 6, 7 ... Please calculate, what is 100th?