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[tex](3 \div 3 {}^{2} + 2.21) \div((2 {}^{3} ) {}^{2} + 3 {}^{3} \div 3)[/tex]


Răspuns :

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Vezi imaginea IGNATOVVLAD201
(3:9+2,21):(2^6+27:3)
(0,33+2,21):(64+9)
2,54:73
0,03479452