m-am gândit la un număr. L-am mărit de 10 ori,iar numărul obținut l)-am micșorat de 5 ori,am adunat 23 și am obținut 29.la ce număr m-am gândit?

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Clasă: Education Materie: matematica

Întrebare a fost pusă de: USER3866

144 Vezi 144 Răspunsuri

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USER6275

Cel mai bun răspuns

(87)

(ax10):5+23=29
10a/5+23=29
2a+23=29
2a=29-23
2a=6=>a=6:2=>a=3

Răspunsul a fost dat în data 30 Agustus 2025

USER3389

(53)

(a×10)÷5+23=29
(a×10)÷5=6
a×10=30
a=3.

Răspunsul a fost dat în data 30 Agustus 2025

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m-am gândit la un număr. L-am mărit de 10 ori,iar numărul obținut l)-am micșorat de 5 ori,am adunat 23 și am obținut 29.la ce număr m-am gândit?

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