2x(27x16:3:16)-18= 2x(432:3:16)-18= 2x(144:16)-18= 2x9 - 18= 0
d). [(4x7x2:14-27:27):4]x6-36= (4:4) x6 -36= -30
e). 400: [ 210-(90-9x8x5x3:12):125x4+190] x12 =
=400: [210- (90-90):500+190] x12=
=400: 400 x12= 1 x 12= 12
Sper ca nu am gresit si sper ca te-am ajutat.