Question

Calculati :
[9^2+2•(5^3-7•2^4)] •(2•5)^2-2^3•15^2] =?
^ la putere

Answer 1

[9^2+2•(5^3-7•2^4)] •(2•5)^2-2^3•15^2] =
=[81+2•(125-112)] •10^2-8•225] =
=(81+2•13) •100-1800 =
=(81+26) •100-1800 =
=107 •100-1800 =
=10700-1800=
=8900