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Calculeaza in scris,apoi verifica prin proba.63×47,72×29,362×37,258×72

Răspuns :

63×47=2961
proba:2961:47=63
72×29=2088
proba:2088:29=72
362×37=13394
proba:13394:37=362
258×72=18576
proba:18576:72=258.