Răspuns :
(2³)⁷:4⁹+3⁰=
=2²¹:(2²)⁹+1=
=2²¹:2¹⁸+1=
=2³+1=
=8+1=9
(2³)⁷:4⁹+3⁰
=2³×⁷:4⁹+1
=2²¹:4⁹+1
=2²¹:(2²)⁹+1
=2²¹:2¹⁸+1
=2³+1
=8+1
=9
(2³)⁷:4⁹+3⁰=
=2²¹:(2²)⁹+1=
=2²¹:2¹⁸+1=
=2³+1=
=8+1=9
(2³)⁷:4⁹+3⁰
=2³×⁷:4⁹+1
=2²¹:4⁹+1
=2²¹:(2²)⁹+1
=2²¹:2¹⁸+1
=2³+1
=8+1
=9