Question

In Arithmetwists (by Marcy Crook ) In the equations section... There is a problem i can't put my head around.

It says make an equation with the digits 3,6, and 7. Each digit can only be used once.
=21

Answer 1

This is sooo confusing I am sorry.

Answer 2

if it doesn't say that ALL digits MUST be used, then you can say:

7 * 3 = 21

Answer 3

or you can say

7*(6-3)

Answer 4

I believe jim is the winner!

Answer 5

how did I not see that?

Answer 6

No that equals 14

Answer 7

7*(6-3)

7*3

21

Answer 8

7 * (6-3) = 7 * 3 = 7 + 7 + 7 = 21

Answer 9

I am sorry I am olny in 5th grade... I don't know what you're talking about.

Answer 10

ok. do you agree that:

6 - 3 = 3

Answer 11

yes

Answer 12

and do you agree that:

7 * 3 = 21

Answer 13

I dont know what * means

Answer 14

oh that's multiplication

Answer 15

\[7\times3=21\]

Answer 16

7 * 3 is the same as 7 times 3

Answer 17

Ohhhh. I feel stupid.
Thank you

Answer 18

np - we have /moments/ like this :)

Answer 19

no worries, if you've never seen it before then you're not stupid

Answer 20

*we ALL have...

Answer 21

:) you are awesome

Answer 22

:) thx

Answer 23

HOw about 24?

Answer 24

24 = 6 * (7-3)

Answer 25

thx now i am done!!!

Answer 26

great!