a) (3+4)3=33+3⋅32⋅4+3⋅3⋅42+43=
=33+36+483+64=100+513
b) (5−2)3=(5)3−3⋅52⋅2+3⋅5⋅22−23=
=55−152+65−22=115−172
c) (5+5)3=53+3⋅52⋅5+3⋅5⋅52+53=
=55+75+755+125=200+805
d) (2−2)3=23−3⋅22⋅2+3⋅2⋅22−23=
=22−12+122−8=142−20
e) (32−26)3=(32)3−3⋅(32)2⋅26+3⋅32⋅(26)2−(26)3=
=33⋅23−3⋅9⋅2⋅26+3⋅32⋅4⋅6−23⋅63=
=27⋅22−1086+2162−8⋅66=
=542−1086+2162−486=2702−1566
f) (3+33)3=33+3⋅32⋅33+3⋅3⋅332+333=
=27+2733+939+3=30+2733+939
g) (−333−2)3=(−(333+2))3=−(333+2)3=
=−((333)3+3⋅(333)2⋅2+3⋅333⋅22+23)=
=−(33⋅333+3⋅9⋅39⋅2+3633+8)=
=−(27⋅3+5439+3633+8)=−(81+5439+3633+8)=
=−(89+5439+3633)=−89−5439−3633
h) (232−334)3=(232)3−3⋅(232)2⋅334+3⋅232⋅(334)2−(334)3=
=23⋅323−3⋅22⋅322⋅334+3⋅232⋅32⋅342−33⋅343=
=8⋅2−3⋅4⋅34⋅334+3⋅232⋅9⋅316−27⋅4=
=16−36316+54332−108=−92−3638⋅2+5438⋅4=
=−92−7232+10834
