Ex 1 e 2 e problema e desafio !!
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a)
6 + 1 = 7 = 1
7 7 7
-----------------------------------------------------
b)
5 + 3 = 8 (:4) = 2
12 12 12 (:4) 3
----------------------------------------------------------------------
c)
9 - 1 = 2.9 - 3.1 = 18 - 3 = 15 (:3) = 5
6 4 12 12 12 (:3) 4
------------------------------------------------------------------------------
mmc (6,4) = 12
6,4: 2
3,2: 2
3,1: 3
1,1 = 2.2.3 = 4.3 = 12
-------------------------------------------------------------
d)
4 + 3 = 17.4 + 12.3 = 68 + 36 = 104 (: 4) = 26
12 17 204 204 204 (:4) 51
12,17: 2
6,17: 2
3,17: 3
1,17: 17
1,1 = 2.2.3.17 = 4.3.17 = 12.17 = 204
_________________________________________________
e)
3 - 6 = - 3 (:3) = - 1
15 15 15 (:3) 5
f)
12 + 9 (:3) = 6 + 3 = 24 + 3 = 27
2 12 (:3) 4 4 4
*************************************************************
2)
a)
5 . 3 = 5 . 3 = 3
7 5 5 7 7
-------------------------------------------------
b)
6 (:6) . 9 (:3) = 1 . 3 = 3
12 (:6) 12 (:3) 2 4 8
---------------------------------------------------
c)
3 : 1 = 1 : 1 = 1 . 2 = 2 = 1
6 2 2 2 2 2
----------------------------------------------------------------------------
d)
7 . 2 = 7 . 2 (:2) = 7 . 1 = 7
12 15 15 12 (:2) 15 6 90
---------------------------------------------------------------------------
e)
9 : 6 = 9 : 2 = 9 . 1 = 9
5 3 5 5 2 10
--------------------------------------------------------------
f)
2 : 9
3 12
2 . 12 = 2 . 12 = 2 . 4 = 8
3 9 9 3 9 9
--------------------------------------------------------------------------
g)
1 . 2 (:2) = 1 . 1 = 1
9 8 (:2) 9 4 36
______________________________________________
h)
9 : 6 = 9 . 11 = 9 (:3) . 11 = 3 . 11 = 33
5 11 5 6 6 (:3) 5 2 5 10
_____________________________________________
i)
6 : 10 = 6 . 12 (:2) = 6 . 6 = 36
7 12 7 10 (:2) 7 5 35
______________________________________________
6 + 1 = 7 = 1
7 7 7
-----------------------------------------------------
b)
5 + 3 = 8 (:4) = 2
12 12 12 (:4) 3
----------------------------------------------------------------------
c)
9 - 1 = 2.9 - 3.1 = 18 - 3 = 15 (:3) = 5
6 4 12 12 12 (:3) 4
------------------------------------------------------------------------------
mmc (6,4) = 12
6,4: 2
3,2: 2
3,1: 3
1,1 = 2.2.3 = 4.3 = 12
-------------------------------------------------------------
d)
4 + 3 = 17.4 + 12.3 = 68 + 36 = 104 (: 4) = 26
12 17 204 204 204 (:4) 51
12,17: 2
6,17: 2
3,17: 3
1,17: 17
1,1 = 2.2.3.17 = 4.3.17 = 12.17 = 204
_________________________________________________
e)
3 - 6 = - 3 (:3) = - 1
15 15 15 (:3) 5
f)
12 + 9 (:3) = 6 + 3 = 24 + 3 = 27
2 12 (:3) 4 4 4
*************************************************************
2)
a)
5 . 3 = 5 . 3 = 3
7 5 5 7 7
-------------------------------------------------
b)
6 (:6) . 9 (:3) = 1 . 3 = 3
12 (:6) 12 (:3) 2 4 8
---------------------------------------------------
c)
3 : 1 = 1 : 1 = 1 . 2 = 2 = 1
6 2 2 2 2 2
----------------------------------------------------------------------------
d)
7 . 2 = 7 . 2 (:2) = 7 . 1 = 7
12 15 15 12 (:2) 15 6 90
---------------------------------------------------------------------------
e)
9 : 6 = 9 : 2 = 9 . 1 = 9
5 3 5 5 2 10
--------------------------------------------------------------
f)
2 : 9
3 12
2 . 12 = 2 . 12 = 2 . 4 = 8
3 9 9 3 9 9
--------------------------------------------------------------------------
g)
1 . 2 (:2) = 1 . 1 = 1
9 8 (:2) 9 4 36
______________________________________________
h)
9 : 6 = 9 . 11 = 9 (:3) . 11 = 3 . 11 = 33
5 11 5 6 6 (:3) 5 2 5 10
_____________________________________________
i)
6 : 10 = 6 . 12 (:2) = 6 . 6 = 36
7 12 7 10 (:2) 7 5 35
______________________________________________
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