8+(2la21-2la21+3la5-3la4)÷{3la2×[301-10(24+2×3)]}=8+(3la5-81)÷{3la2×[301-10(24+6)]}=
=8+(3la5-81)÷[3la2×(301-10×30)]=
=8+(3la5-81)÷[3la2×(301-300)]=
=8+(3la5-81)÷(3la2×1)=
=8+ 3la5-81/3la2=
=8+ 243-81/9=
=8+ 162/9=
=8+18=26
