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(24-7 . 3) . 5 .2:O= 30:10

Răspuns :

(24-7x3)x5x2:O=3
(24-21)x5x2:O=3
3x5x2:O=3
O=3x2x5:3
O=30:3
O=10

Proba:
(24-7x3)x5x2:10=
(24-21)x5x2:10=
3x5x2:10=
15x2=10
30:10=3.

Este raspunsul corect, sper sa te ajute!! Punctele inseamna ori (x) nu?