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1. 75*24=1800
2.1230
3.ma=71+92/2
ma=163/2
ma=326
4.56/100=14/25
5.546x divizibil cu 2
x€{2,8}
6.9/3^n=3^2/3^n=>n=2
7.5/8*72=5*9=45
8.l³=1m³
1m³=1000 litri
9.14
1.10*(701-2^5*3^3:72)
10*689
6890
2.35/11=3,(18)
1,3(8)=125/90=25/18