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24. (9+9x9):9+9+9:9=.care e rezultatul?

Răspuns :

(9+9x9):9+9+9:9=

=(9+81):9+9+9:9=

=90:9+9+9:9

=10+9+9:9=

=10+9+1

=19+1=

=20

(9+9x9):9+9+9:9 = (9+81):9+9+1 = 90:9+9+1 = 10+9+1 = 19+1 = 20