Regletas 2
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Transcript of Regletas 2
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EJERCICIOS CON LAS REGLETAS DE CUISENAIRE
JOSE GUILLERMO RODRIGUEZ ALARCON
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1
2
3
4
5
6
7
8
9
10
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a2 b2 (a+b)2
(a+b)2 a2 + b2 (a+b)2 = a2 +2ab+b2
TRINOMIO DEL CUADRADO PERFECTO
a2
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b2
2ab
(2+5)2 = 22 + 2(2x5) + 52
4 + 2x10+ 25 = 49 72 =
7x7 = 4 + 20 + 25 = 49
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a2
b2
c2
a2 + b2 = c2
TEOREMA DE PITAGORAS
32
42
52
32 + 42 = 52 9 + 16 = 25
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a2 = 32
b2 = 42
c2 = a2 + b2
52 = 32 + 42
25 = 9 + 16
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MAXIMO COMUN DIVISOR
122 X 6 = 123 X 4 = 126 X 2 = 12
182 X 9 = 183 X 6 = 186 X 3 = 18
EL MAXIMO COMUN DIVISOR DE 12 Y 18 ES 6
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MINIMO COMUN MULTIPLO
33 x 2 = 6 3 x 3 = 93 x 4 = 12
EL MINIMO COMUN MULTIPLO DE 3 Y 4 ES 12
44 X 2 = 84 X 3 = 12
12
12
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SUMA DE FRACCIONARIOS CON IGUAL DENOMINADOR
+ =
1/3 + 2/3 = 3/3
+ =
2/5 + 4/5 6/5=
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SUMA DE FRACCIONARIOS CON DIFERENTE DENOMINADOR
+
HALLAMOS EL MINIMO COMUN MULTIPLO DE LOS DENOMINADORES 2 Y 3 QUE ES 6 Y CONSTRUIMOS FRACCIONES EQUIVALENTES
=
1/2 2/3+
+ =
3/6 + 4/6 = 7/6
SUMANDO LAS FRACCIONES HOMOGENEAS
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NUMEROS NATURALESPROPIEDAD CONMUTATIVA
3 + 2 + 4 = 9
2 + 4 + 3 = 9
4 + 3 + 2 = 9
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PROPIEDAD ASOCIATIVA
+ + + =
1 + 2 + 3 + 4 = 10
+ + =
( 1 + 2 ) + 3 + 4 = 103 + 3 + 4 = 10
+ =
( 1 + 2 + 3 ) + 4 = 106 + 4 = 10
+ + =
1 + 2 + ( 3 + 4 ) = 101 + 2 + 7 = 10
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RESTA DE FRACCIONARIOS CON IGUAL DENOMINADOR
- =
4/5 - 2/5 = 2/5
- =
8/6 - 3/6 = 5/6
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RESTA DE FRACCIONARIOS CON DIFERENTE DENOMINADOR
- =
HALLAMOS EL MINIMO COMUN MULTIPLO DE LOS DENOMINADORES 4 Y 3 QUE ES 12 Y CONSTRUIMOS FRACCIONES EQUIVALENTES
- =
9/12 - 8/12 =
1/12
RESTANDO LAS FRACCIONES HOMOGENEAS
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MULTIPLICACION DE FRACCIONARIOS
X =
1/2 X 3/4 = 3/8
SE MULTIPLICAN NUMERADORES CON NUMERADORESY DENOMINADORES CON DENOMINADORES
X =
4/5 X 2/3 = 8/15
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