The goal of this lesson is solving maths
problems by applying what you
learned at school. (If you still
remember it)
I give you 3 digits and a result and you must put
all the signs necessary to restore the equality.
I give you an example. The remainder you solve
by yourself.
2 + 2 + 2 = 6
Easy! Isn't this? It is the same for the remainder.
What, did You solve some? … Not, N°2 : it was
the example, which I showed you presently .
¿ Another? Ah… N°6. Very difficult !!!
6 + 6 - 6 = 6
EINSTEIN!!!!!
¿And the others? ? Do you want assistance?
Ah, not, I forgot you are intelligent.
I think that you solved the 3th ,
Perhaps the 5 th. With a little chance the 7th .
3 x 3 - 3 = 6
5 / 5 + 5 = 6
-7 / 7 + 7 = 6
Still not? Ok. We are here for that! - (7/7) = -1.
And thus 7 - 1 = 6
Now let we see those which are a little more complicated.
The 4th.
4 + 4 + 4 = 6
The 9th.
9 x 9 - 9 = 6
The 8th.
3 3 3
8+ 8+ 8 = 6
No Good ? Ahhh!!! That’s another thing!.
thing
On this, I finish today’s class
Ah, not… It’s ;true… It remains to solve the first one.
1+1+1 = 3 3x2x1 = Dunce’s cap!
1 + 1+ 1 ! = 6
Well I give you a track, but I must acknowledge this one
is muscular...
No ? Still not? You are not gifted in Maths, eh!!
FACTORIAL: the factorial of a number is obtained
by multiplying all the formers up to 1.
It is symbolised by the exclamation point.