Răspuns :
110+5+4+3+2=x
x=124
[24+(100-6)]-x=2; 24+94-x=2; 118-2=x ,x=116
x-8-[7-(6-3)]=7; x-8-(7-3)=7; x-8-4=7: x=7+8+4=19
x=5+20+19+18+17+...3+2+1=215
x=124
[24+(100-6)]-x=2; 24+94-x=2; 118-2=x ,x=116
x-8-[7-(6-3)]=7; x-8-(7-3)=7; x-8-4=7: x=7+8+4=19
x=5+20+19+18+17+...3+2+1=215