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Folosind proprietatile operatiilor invatate, calculati : (1111+2222+.....+9999) : 1111 : 55

Răspuns :

Nutyamariia
1111( 1+2+3+....+9):1111:55= 1111( 9*10/2) :1111:55=9*5:55= 45:55= 9 supra 11.
Bebedumi70
(1111+2222+.....9999):1111+55= 49995:1111+55=45+55=100

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