35)a) - 3
B) - 20
C) 7,2
D)-(4x5+4)/5x15/8=-24/5x15/8=-3x3= -9
E) - (5x7+1)/7:-(1x7+2)/7=-36/7x (-7/9)= 4
F)-0,78:(-(2x5+3)/5)= - 0,78:(-2,6)=0,3
36)1kg........x lei
(5x6+5)/6......52,5
35/6=5,8(3)
5,8(3)x=52,5
X=52,5:5,8(3)
X=9 lei
37)5 stupi...... 182,5kg
182,5:5=36,5 kg
38)b) 1x(-12,51)= - 12,51
A) - 1 x3, 56=3,56
C)0,108+0,512=0,62
D) - 0,6642-0,6642= - 1,3284
