Question

Ordinea efectuarii operatiilor :
1+2x{3+4:[5-6:(7-8:(9-1)]}



9x{8+7x[6+5x(4+3x(2+1))]}

Answer 1

1+2×[3+4:[5-6:(7-8:8)]
1+2×[3+4:[5-6: (7-1)]
1+2×[3+4:(5-6:6)
1+2×[3+4:(5-1)
1+2×(3+4:4)
1+2×(3+1)
1+2×4
1+8=9

la fel si cealalalta
9×{8+7×[6+5×(4+3×(2+1))]}
9×{8+7×[6+5×(4+3×3)]}
9×{8+7×[6+5×(4+9)]}
9×[8+7×(6+5×13)]
9×[8+7×(6+65)]
9×(8+7×71)
9×8+497
72+497=569