## Trending News

Promoted

Anonymous

# number expessions?

anyone know any good expressions with numbers in them?

### 3 Answers

Relevance

- Anonymous1 decade agoFavorite Answer
What do you mean exactly by "good expressions"? By "expressions", do you mean equations with variables _and_ numbers, such as (a = pi*r^2), (sin^2(x) + cos^2(x) = 1), and (e^(pi*i) + 1 = 0)?

- An ESL LearnerLv 71 decade ago
You can try to calculate these following expressions:

1.

1+2+3+4+5+6+7+......+98+99+100=?

2.

1+2+3+4+5+4+3+2+1=?

3.

111111111 x 111111111=?

4.

1,4,9,16,25,36,49,(?),(?)...

5.

1,8,27,64,125,(?),(?)...

6.

1^2=1

1^3=121

1^4=12321

1^5=1234321

1^6=?

1^7=?

7.

12345679 x 9=111111111

12345679 x 18=222222222

12345679 x 27=333333333

12345679 x 36=?

12345679 x ?=555555555

8.

6 x 7=42

66 x 67=4422

666 x 667=444222

6666 x 6667=44442222

66666 x 66667=?

? x 666667=444444222222

Still have questions? Get your answers by asking now.