Page 35 - aljaber

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r >p q >r ( ) q >r p>q ()
p>q r >p ( )
p>r q>p ( )

10 ×14 × 35 ( )
)
100 ( ) 70 ( ) 60 ( ) 50 ( )

24 (

3() 2( ) 1( ) 0 ()

: 3 × 5 × 7 × 9 ×11 [AJHSME 1985] ( )
9 ×11 3 × 5 × 7 )

1 () 49 ( ) 0( ) 1 ()

49 [AJHSME 1985] (

: 90 + 91 + 92 + 93 + 94 + 95 + 96 + 97 + 98 + 99

1045 ( ) 1005 ( ) 945 ( ) 845 ( )

200 ( ) 20 ( ) 107 ) [AJHSME 1985] ( )
)
5 ×104 0.002 ( )
[AJHSME 1985] (
0.2 (

−3a, 4a, 24 ,a 2, 3a  a = −2
a

a2 ( ) 24 ( ) 4a ( ) −3a ( )

a

[AJHSME 1986] ( )

5 ( ) 1 ( ) 2 ( ) 1 ()

53

(1.8)(40.3 + 0.07) [AJHSME 1986] ( )