Page 23 - aljaber
P. 23
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a c ca .ca = c + a
bb
bb
.43 = 4 + 3
55
. ()
1 = 2 = 6 = 30 ( )
2 4 12 60
. ()
7−21 ( ) () 5+2 ()
5 : 99
31−24 ( ) 23 +5 ( )
37 46
.5 + 2 = 5+2 = 7 ()
99 9 9
2 3 + 5 = 11 + 5 = 3 ×11 + 2 × 5 ()
4 6 4 6 3×4 2×6
= 33 + 10 = 33 + 10 = 43 = 3 7
12 12 12 12 12
34 . LCM(4,6) = 12
23 .2 6
4
.
