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Rezolvati plz:
1 . 20/3:7/6=?
2. -14/5x10/7=?
3. 12/13-1=?
4. 5/9x14/3=?
5. 0,5x(-4)=????
6. 14:(-0,7)=?
7. 2,4:1,2=?
8. -5:(0,5) = ?
9. 1,2(4)-0,3(2)=?
am pus / adica supra

Răspuns :

Damian2604
1. 20/3 * 6/7 =40/7
2. (-2)*2=-4
3. -1/13
4. 70/27
5. 5/10 * (-4)=-20/10=-2
6. 14*10/7=140/7=20
7. 24/10*10/12=24/12=2
8. -5/1*10/5=-1/10=-0,1
9. 112/90 - 2.9/9
112/90 - 29/90=83/90

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