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33:(1+2×2 la 2× 2 la 2) + (2+3 la 69 : 3 la 67) : 11

Răspuns :

33:(1+2×2²× 2²) + (2+3⁶⁹ : 3⁶⁷) : 11 =
=
33:(1+2×4×4) + (2+3²) : 11 =
=33:(1+32) + (2+9) : 11 =
=33:33+11:11=
=1+1=2