Question

BC-30CD-BD=20BD, CD-?​

Answer 1

Ответ: BD=6×20

CD=5×20

Объяснение:

6×5=30

6×20=120

5×20=100

120-100=20

Answer 2

It seems like you're presenting a sequence of letters and symbols and asking for the value of the question mark. However, the provided sequence "BC-30CD-BD=20BD, CD-?" is not clear. Could you please provide more context or clarify the pattern or rule that should be applied to solve for the missing value? This will help me assist you more effectively.