The next day, I finished reading the whole book =190% = 9/40.

So:

introduction

= 8 ÷ (9 of 4 1-40)

= 1 divided by 8/40.

=320 pages

2. Full length

=(2.7- 1/5)÷( 1×2/20)

= 2.5 ÷ 65438+ 1/00

=25 km

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