Page 34 - aljaber
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@ @RQ@ @†a‡Èÿa@ @
.
12 ( ) 11 ( ) 30 6 ()
10 ( )
2 9( )
9 10
.
1() 1( ) 1( ) 1 () )
5 4 3 2 )
a +b +c 2+ 1 28 )
11 ( )
a+ 1
b+1 :
c
8 ( ) 7 ( ) 6 ( ) 5 ()
: 3000 × 30003000 (
30003001 ( ) 90003000 ( ) 30003000 ( ) 9000 ( )
: 272 × 34 (
312 ( ) 310 ( ) 278 ( ) 276 ( )
: d = 2300 c = 5100 b = 4125 a = 3200 (
c <d <b <a ( ) c <b <d <a ()
d <b <c <a ( ) a <b <d <c ( )
r = 0.3 q= 1 p = 0.1 ()
1 0.3 0.3
: