Page 53 - aljaber

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:( ) ()

28 = 2 + 6 ()
11 11 ()
()
=2+ 1
11
6

=2+ 1
1+ 5
6

=2+ 1
1+ 1
6
5

=2+ 1
1+ 1
1+ 1
5

.a +b +c = 1 + 1 + 5 = 7
:( )

. 3000 × 30003000 = 30003000+1 = 30003001
:( )

( ). 272 × 34 = 33 2 × 34 = 36 × 34 = 310

:( )

( )a = 3200 = 38 25 = (6561)25
( )b = 4125 = 45 25 = (1024 )25
( )c = 5100 = 54 25 = (625)25