Today We Learn
Today We Learn
The goal of this lesson is solving
The goal of this lesson is solving
maths problems by applying what
maths problems by applying what
you learned at school. (If you still
you learned at school. (If you still
remember it)
I give you an example. The remainder you
I give you an example. The remainder you
solve by yourself.
solve by yourself.
I give you 3 digits and a result and you
I give you 3 digits and a result and you
must put all the signs necessary to restore
must put all the signs necessary to restore
the equality.
the equality.
2 2 2 = 6
2 2 2 = 6
+
+
+
+
Easy! Isn't this? It is the same for theEasy! Isn't this? It is the same for the
remainder.
1
1
1
1
1 = 6
1 = 6
2
2
2
2
2 = 6
2 = 6
3
3
3
3
3 = 6
3 = 6
4
4
4
4
4 = 6
4 = 6
5
5
5
5
5 = 6
5 = 6
6
6
6
6
6 = 6
6 = 6
7
7
7
7
7 = 6
7 = 6
8
8
8
8
8 = 6
8 = 6
9
What, did You solve some? … Not, N°2 : it
What, did You solve some? … Not, N°2 : it
was the example, which I showed
was the example, which I showed you you presently .
presently .
¿ Another? Ah… N°6. Very difficult !!!
¿ Another? Ah… N°6. Very difficult !!!
6 6 6 = 6
6 6 6 = 6
+
+
-
¿
¿And the others?And the others?? ? Do you want assistance?Do you want assistance? Ah, not, I forgot you are intelligent.
Ah, not, I forgot you are intelligent. I think that you solved the 3th ,
I think that you solved the 3th ,
3
3
x
x
3
3
-
-
3 = 6
3 = 6
Perhaps the 5 Perhaps the 5
th.
th. With a little chance the With a little chance the
7th . 7th .
5
5
/
/
5
5
+
+
5 = 6
5 = 6
7
7
7
7
7 =
7 =
6
6
--
/
/
+
+
Still not? Ok. We are here for that! - (7/7) = -1. Still not? Ok. We are here for that! - (7/7) = -1.
9
9
9
9
9 = 6
9 = 6
Now let we see those which are a little more Now let we see those which are a little more complicated.
complicated. The 4th. The 4th.
4
4
+
+
4
4
+
+
4 = 6
4 = 6
The 9th. The 9th.
x
x
-
-The 8th. The 8th.
8
8
+
+
8
8
+
+
8 = 6
8 = 6
3
3 33 33
No Good ?
On this, I finish today’s class On this, I finish today’s class
Ah, not… It’s ;true… It remains to solve the first one. Ah, not… It’s ;true… It remains to solve the first one.
1 1 1 = 6
1 1 1 = 6
Well I give you a track, but I must acknowledge Well I give you a track, but I must acknowledge this one is muscular...
this one is muscular...
+
+
+
+
No ? No ?!
!
You are not gifted in Maths, You are not gifted in Maths,
eh eh!!!! Still not?
Still not?
FACTORIAL
FACTORIAL:: the factorial of a number is the factorial of a number is
obtained by multiplying all the formers up
obtained by multiplying all the formers up
to 1.
to 1.
It is symbolised by the exclamation point.
It is symbolised by the exclamation point.
Good, Considering your
Good, Considering your
performances, the next
performances, the next
course
course
will treat the art of walking
will treat the art of walking
while chewing
while chewing
chewing-gum.
gum.
.
.
Kindly: Kindly:
TH
TH
E
E
P
