Page 41 - aljaber
P. 41
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[AJHSME 1991] ( )
991 + 993 + 995 + 997 + 999 = 5000 − N
N
25 ( ) 15 ( ) 10 ( ) 5 ()
[AJHSME 1991] ( )
{−24,−3,−2,2, 8}
12 ( ) 8( ) −3 ( ) −24 ( )
46 1 [AJHSME 1991] ( )
53
25 ( ) 24 ( ) 21 ( ) 18 ( )
[AJHSME 1991] ( )
25 × 25 ×25 ×25 × 25 ×25 × 25 × 8 × 8 × 8
10 ( ) 9( ) 6( ) 3 ()
[AJHSME 1991] ( )
.
ABC
AB
+A
300
C