6 и 7 задание , хелп

Question

6 и 7 задание , хелп

---

Answer 1

6.
1️⃣
b2= 1/b1 + 1
b2=1/3 + 1
b2=4/3
2️⃣
b3= 1/b2+1
b3=1: 4/3 + 1
b3= 1*3/4 +1
b3= 3/4+ 1 =7/4= 1 3/4