Question

7654:43, 54027:783, 644×184, 5742:29, 52668:627, 763×186

Answer 1

7654:43 = 178
54027:783 = 69
644*184 = 118496
5742:29 = 198
52668:627 = 84
763*186 = 141918

Answer 2

1)178
2)69
3)118496
4)198
5)84
6)141918

Answer 3

It looks like you've provided a list of numerical expressions in various formats. However, I'm not sure what you're asking or what you'd like to know about these expressions. Could you please clarify your question or provide more context so that I can better assist you?