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700:(5×5×2×2)+700:5:5:2:2-700:100

Răspuns :

700:(5×5×2×2)+700:5:5:2:2-700:100
=700:(25×4)+28:2:2-7
=700:100+7-7
=7+7-7
=7

Coronita?
700:(25x4)+2-7=
700:100+2-7=
7+2-7=2