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A
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1200
B . 1250
21500
D., 600
~
eg2
:
A
.
10
B . 30
C
. 33
D . 36
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eg3
:
1
:
18
B
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C
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44+5
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B. 1000 A
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= 837"
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B
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11 . 13
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S = (8 +5) t = 13 t
A FREE
13
