Răspuns:
1)34,56
2)0.825
3)5.4-1.7=3.7 x 5.2 =19.24
4)17/5 - 25/9= 425/95 le simplificam prin 5 =85/19=4 intregi si 9/19
5)[(1/4+2/3)•3/4-3/16]:3=
(11/12•3/4-3/16)•1/3=
(11/16-3/16)•1/3=
8/16•1/3=8/48=1/6
6)5700
