Page 84 - aljaber
P. 84
@ @WQ@ @†a‡Èÿa@ @
10 ( ) 8( ) 6( ) 4 ()
[AMC82001] ( )
23 ( ) 63
.( 5
.
19 ( ) 18 ( ) 17 ( )
[AMC82001] ( )
1, 2, 3, 4, 9
)
9 ( ) 3 ( ) 2 ( ) 1 ()
: (6 ⊗ 4) ⊗ 3 a ⊗b = a +b ) [AMC82001] ( )
30 ( ) a −b )
15 ( 4 ()
) 13 ( [AMC82002] (
.
() () 706
57 ( )
59 ( ) 58 ( ) () )
. () )
120 [AMC82003] (
. 55 ( )
[AMC82003] (
90