15 + { 37 + 19 × [ 91 + 15 × ( 15 × 41-400 ) - 13]} =15 + { 37 + 19 × [ 91 + 15 × (615 - 400) -13 ]} = 15 + [ 37 + 19 × ( 91 + 15 × 215) - 13] = 15 + [ 37 + 19 x ( 91 + 3225) - 13]= 15 + ( 37 + 19 x 3316 - 13) = 15 + (37 + 63004 - 13)
= 15+ 63028
= 63043
Sper sa fie corect.
