Transcript

UPSRB 4 5 20 30 6 7.5 UPSRBBUPSRB 9

1 : (a) 2 : 1

1(a)

: 2 P Q Q P

2(a) > 31

(a) 5

1

(a) (i) (ii)(a) (i) (ii)

1 (a) (b) 2 (a) (b) 3 (a) (b) / / / / / / / /1. 2. 3.


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