Question

Dau coroana.
a) 3+5x{82+3x[21+4x(3x8-9)]}
b) (15+2x[4+3x(120:4+9x3-2-2-2)]-4}x10
c) 20+3x{2x3x40+7x[9x2-2x(3x6-3-6)+10]-40}+9
d) 13x{24+6x[24-3x4-31)]-150}+402
e) 13x{24-3x4-31)]-150}+402

va rog sa raspundeti detaliat si nu sa spuneti direct raspunsul.

Answer 1

3+5×{82+3×[21+4×(3×8-9)]}=
3+5×{82+3×[21+4×(24-9)]}=
3+5×{82+3×[21+4×15]}=
3+5×{82+3×[21+60]}
3+5×{82+3×81}=
3+5×325=
3+1625=
1628