Page 68 - aljaber

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1
5 :( ) ( )

0 50

.1 6

1492 ×1776 ×1812 ×1996

.

. 4 144 2 × 6 ×2 × 6 = 144
.( )
45
5
:( ) ( )
.
1 = −1
1−5 4

1 =4
1 − −1 5

4
1 =5
1− 4

5
5

5 99 = 3 × 33

.−1

4

:( ) ( )

4
12 + 22 + 32 + 42 + 52 = 55