Răspuns :
30+4x[36:9+3x(20+8x42:2)]=30+4x[4+3x(20+336:2)]=30+4x[4+3x(20+168)]=30+4x(4+3x188)=30+4x(4+564)=30+4x568=30+2272=2302
30+4×[36:9+3×(20+8×42:2)]=....
30+4×[4+3×(20+336:2)]=....
30+4×[4+3×(20+168)]=....
30+4×(4+3×188)=...
30+4×(4+564)=....
30+4×568=...
30+2272=2302