28²:2⁸×(3²-1)-3⁰×2³ =
= 784:2⁸×(3²-1)-3⁰×2³=
784|2
392|2
196|2
98|2
49|7
7|7
1 => 784=2⁴+7²
=(7²+2⁴):2⁸×(3²-1)-3⁰×2³=
=7²:2⁸+2‐⁴×8-2³=
=7²:2⁸+2-⁴×2³-2³=
=7²:2⁸+2-¹-2³=
=2(7²:2⁷-1-4)=
=2(7²:2⁷-5)=
=2(49:128-5)...
Răspuns:
Explicație pas cu pas:
(28)^2:2^2^4×(3^2-1)-3^0×2^3=2^4·7²:2^8·(9-1)-1·8=7²/4²·8-8=
=7²-8=49-8=41
