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a fost răspuns

Afla in doua moduri
23x345 - 23x172
223x51+93x51

Răspuns :

23x345 - 23x172 =

= 7935 - 3956

= 3979

23x345 - 23x172 =

= 23(345 - 172)

= 23x173

= 3979

223x51 + 93x51 =

= 11373 + 4743

= 16116

223x51 + 93x51 =

= 51(223 + 93)

= 51x316

= 16116

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