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calculați 15/11+[19/4+(124/4+65/4-109/4)-23/4]

Răspuns :

VB12

15/11+[19/4+(124/4+65/4-109/4)-23/4=

=15/11+[19/4+(189/4-109/4)-23/4=

=15/11+(19/4+80/4-23/4)

=15/11+(+99/4-23/4)

=15/11+(+76/4)

=15/11+76/4=(amplificam fractia 76/4 cu 11)

=15/11+814/11=+829/11


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