А)(8+2)3=10^3=10×10×10=1000
Б)5^3-3^2=(5×5×5)-(3×3)=125-9=116
В)7^2×2^3=(7×7)×(2×2×2)=49×8=392
Г)(4^3-8)÷(15-2^3)=(4×4×4-8)÷(15-2×2×2)=56÷7=8
Д)4^3×12+(7-3)^2=(4×4×4)×12+((7-3)×(7-3))=768+(4×4)=768+16=784
Е)(6+3)^3+8-5^3=(9×9×9)+8-(5×5×5)=729+8-125==737-125=612
Ж)5^3×8+9^2=(5×5×5)×8+(9×9)=125×8+81=1000+81=1081
З)2^2×3^2+5^2=(2×2)×(3×3)+(5×5)=4×9+25=36+25=61