Page 79 - aljaber
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@ @¶ìÿa@óÝy‹¾a@ u@ @VV
:N
1991 ( ) 1990 ( ) 6( ) 3 ()
[AJHSME 1992] ( )
10 − 9 + 8 − 7 + 6 − 5 + 4 − 3 + 2 − 1
1−2+ 3−4 +5−6+7−8+9
9 ( ) 5 ( ) 1 ( ) −1 ( )
. 9 + 9 + 8 = 26 998 [AJHSME 1992] ( )
3
26
4() 3( ) 2( ) 1 ()
36 [AJHSME 1993] ( )
)
{1, 36} ( ) 1 , −72 ( ) {−3,−12} ( ) {−4,−9} ( )
2
49 [AJHSME 1993] (
84
33 ( ) 19 ( ) 17 ( ) 11 ( )
1000 ×1993 × 0.1993 ×10 [AJHSME 1993] ( )
(1993)2 ( ) (199.3)2 ( ) 1993.1993 ( ) 1.993 ×103 ( )
273 ( ) 39 ( )
[AJHSME 1993] 33 + 33 + 33 ( )
)
93 ( ) 34 ( )
[AJHSME 1993] (