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-3^3+(-3)^20:(-3 ^18)×3+3×3^8:(-3^6)+(-3^10) :(8×3^5+3^5)-2×(-3)^3
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Răspuns :

Explicație pas cu pas:

(-3)^3+(-3)^20:(-3)^18· 3+3·3^8:(-3)^6+(-3)^10:(8·3^5+3^5)-2·(-3)^3=

(-3)^3+(-3)^20:(-3)^19+3^9:(-3)^6+(-3)^10:[3^5(8+1)]-2·(-3)^3=

(-3)^3+(-3) +(-3)^3+(-3)^10:3^5·3^2-2·(-3)^3=

(-27)+(-3)+(-27)+(-27)-2(-27)= -84+54= -30