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0,(3) + 1,(3) - 0,25 = ?


Răspuns :

0,(3)+1,(3)-0,25=

=3/9+(13-1)/9-25/100=

=1/3+12/9-1/4=

=1/3+4/3-1/4=

=5/3-1/4=

=20/12-3/12=17/12