Need help in these Problems

Правка en5, от twoseven, 2022-01-12 13:26:44
Problem 1
Problem 2

It would be very helpful if some can share their approach to these problems. Thanks!!

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en5 Английский twoseven 2022-01-12 13:26:44 2
en4 Английский twoseven 2022-01-12 13:17:28 46
en3 Английский twoseven 2022-01-12 13:06:06 30
en2 Английский twoseven 2022-01-12 13:00:54 126 Tiny change: 'ms. Thanks. **' -> 'ms. Thanks!!**' (published)
en1 Английский twoseven 2022-01-12 12:53:52 2091 Initial revision (saved to drafts)