In the following multiplication formula, each letter represents a number, and different letters represent different numbers, then a =, B =, C =, d =, A B C * C ___________ D B C

In the following multiplication formula, each letter represents a number, and different letters represent different numbers, then a =, B =, C =, d =, A B C * C ___________ D B C

a=1,b=2,c=5,d=6

If A2 + B2 + 2c2 + 2ac-2bc = 0, then a + B = ()
A. 0b. 1C. - 1D. Uncertainty

∵ A2 + B2 + 2c2 + 2ac-2bc = (a + C) 2 + (B-C) 2 = 0, ∵ a + C = 0, B-C = 0, then a + B = 0

Answer to the "smart house" on page 40 of summer homework of grade 3 (2) in 2010
[022u -] what do you mean by "go find someone to do it for?"

I don't know until I see it