1)
Here it says that that Chiram sent boats. In Melachim I, 9:27 it says that he sent [only] one boat!
1.
Radak (in Melachim): He sent boats, like it says here. Malbim (in Melachim) ? "Ani" is a general term that can mean many boats, like "va'Yhi Li Shor v'Chamor" (Bereishis 32:6).
2)
What are "Anshei Aniyos Yod'ei ha'Yam"?
1.
Refer to Melachim I, 9:27:2:1,2.
3)
Here it says 450 Kikar. In Melachim I, 9:28 it says 420 Kikar!
1.
Refer to Melachim I, 9:28:1:1-3.
