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Purek
a fost răspuns

4la puterea12÷2 laputerea22-8la puterea9÷2laputera26

Răspuns :

4^{12}:2^{22}-8^{9}:2^{26}=
2^{2}^{12}:2^{22}-2^{3}^{9}:2^{26}=
2^{24}:2^{22}-2^{27}:2^{26}=
2^{2}-2^{1}=4-2=2

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