Efectuați folosind factor comun: 72*27+27*28+(39*93-39*39):54

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Grade: Education Subject: matematica
Efectuați folosind factor comun: 72*27+27*28+(39*93-39*39):54
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(65)
72*27+27*28+(39*93-39*39):54=
=27(72+28)+39(93-39):54=