Page 62 - aljaber
P. 62
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. 46 = 9 5 ()
5 53 ()
.15 + 9 = 24
. LCM(3, 5) = 15
.24 − 3 = 21 . 46 = 3 15
15
46
:
1, 3, 5, 6, 9,10,12,15,18, 20,21,
24, 25, 27, 30, 33, 35, 36, 39, 42, 45
. 21
:( )
7 3 = 55 ×109
×
( ) ( )52 23 = 514 × 29
. 55 9
:( )
ABC = 100A + 10B + C
AB = 10A + B
A=A
ABC + AB + A = 111A + 11B +C
111A + 11B + C = 300