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calculati

1 4/5÷(3/4·8/21) - 4/9=

(1/12 + 1/24 - 1/36)÷(1/4+ 3/5)*2 3/7=

(3 3/8)÷(4/35 - 2/70·7/4)·4/15=



Răspuns :

sper sa fie bune !!!succes!!!

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