Question

Efectuati:1+2•{3+4•[5+6•(9-7)]}

Answer 1

=1+2×[3+4×(5+6×2)]=
=1+2×[3+4×(5+12)]=
=1+2×(3+4×17)=
=1+2×(3+68)=
=1+2×71=
=1+142=
=143

Sper că te-am ajutat :))

Coroană? ;))

Answer 2

1+2 · acualda 3+4 · paranteza patrata 5+6 · paranteza rotunda 9₋7 paranteza rotunda ,paranteza ptrata , acualada=
1+2 · paranteza patrata 3+4 · paranteza rotunda 5+6 ·2 paranteza rotunda ,paranteza patrata=
1+2 ·paranteza rotunda 3+4 · 22 paranteza rotunda=
1+2 ·paranteza  rotunda 7 · 22 paranteza rotunda=
1+2 · 154=
1+308=
309
sper ca team ajutat