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Exercitiul 3
Repede va rogg!! Dau coroana!!! ​


Exercitiul 3Repede Va Rogg Dau Coroana class=

Răspuns :


1. 2/3+1/2=4/6+3/6=7/6=1 1/6
2. 2-1/3-(1/2-3/8)=2-1/3-(4/8-3/8)=6/3-1/3-1/8=5/3-1/8=40/24-3/24=37/24=1 13/24
3. ...=7/3x9/14=63/42
4. ...=7/9:7/3=7/9x3/7=21/63
P.S “/“-linie de fracție