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Suma y Resta: Operaciones Inversas

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Suma y Resta: Operaciones Inversas

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Operaciones inversas en 4to grado

Created by

nery torres lopez
nery torres lopez
Mexico

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Suma y Resta: Operaciones Inversas
 

Suma y Resta: Operaciones InversasOnline version

Operaciones inversas en 4to grado

by nery torres lopez
1

Si A + 9 = 26, ¿cuál es A?

2

Completa: 54 - ? = 29. ¿Qué valor falta?

3

Si 12 + x = 40, ¿cuánto es x?

4

¿Qué operación inversa corresponde a 73 - 28 = 45?

5

Si 50 - a = 15, ¿cuánto vale a?

6

Encuentra el resultado de 9 + b = 34. ¿B vale?

7

La resta 67 - 22 da 45. ¿Qué operación inversa se aplica para obtener 67 a partir de 45?

8

Completa: x + 14 = 60. ¿Qué es x?

9

Si 100 - y = 65, ¿cuánto es y?

10

¿Qué representa la resta 81 - 39 respecto a la suma inversa?

Explicación

La suma de 17 + 9 da 26. Restar 9 de 26 da 17.

54 menos 25 es 29, que da el resultado correcto.

Para hallar x, resta 12: 40-12=28.

La inversa de restar 28 es sumar 28.

Despeja: a = 50-15 = 35.

B = 34-9 = 25.

Para obtener 67 desde 45, sumas 22.

Restas 14 de 60 para obtener 46.

y = 100-65 = 35.

La resta da la diferencia; su inversa es sumar para reconstruir el total.

 
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