Question

(2+2•3)•{2•2la puterea2•2la puterea43-2la puterea46+[3la puterea148:3la puterea43-3la puterea5 totul la 21]+16}=
La afatsitul cartii imi da ca este egal cu128

Answer 1

$8*[2* 2^{2} *2^{43}-2^{46}+( 3^{148} :3^{143}-3^{5})^{21} +16]=$

$=8*[ 2^{1+2+43} - 2^{46} +( 3^{148-143} - 3^{5} ) ^{21} +16]$

$=8*[ 2^{46} - 2^{46}+( 3^{5}-3^{5}) ^{21} +16]=8*(0+0 +16)=8*16=128$