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5ori7+8ori9+8ori6+4=64 trebe sal rezolv va rog ajutatima

Răspuns :

5×7+8×9+8×6+4=35+72+48+4=107+48+4=107+52=159
5×7+8×9+8×6+4=64 ( F)
35+72+48+4=64
107+52=
159=64
Succes la scoala!