ma gandesc la un nr.scad din el pe 13,adun rasturnatul acestuia sibobtin succesorul,numar par,al lui 90

Por: USER3155
1 September 2025 matematica 5 minutos
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Pregunta

Clase: Education Materia: matematica
ma gandesc la un nr.scad din el pe 13,adun rasturnatul acestuia sibobtin succesorul,numar par,al lui 90
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103 Visto 103 Respuestas

Respuesta (103)

Respuesta Mejor
(112)
a- 13 + 31 = 92
a - 13 = 92 - 31
a - 13 = 61
a = 61 + 13
a = 74
74 - 13 + 31 = 92
Respondido em 1 September 2025
(223)
Notez numarul cu a 

a - 13 + 31 = 92 
a = 92 - 31 + 13  → metoda mersului invers 
a = 61 + 13 
a = 74 → numarul 
Respondido em 1 September 2025

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