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AJUTORRRRRRRRRRRRRRRRRRRRRRRRRRRRRR!!!! ​

AJUTORRRRRRRRRRRRRRRRRRRRRRRRRRRRRR class=

Răspuns :

Fractiile de forma 0,2ab care rotunjite la zecimi dau 0,3 sunt:

0,250; 0,251; 0,252; .....; 0,299

ab∈{50; 51; 52; .....; 99}

de la 50 la 99 sunt 99-50+1=50 de numere

=> deci, 50 de fractii