Find number abc
If 473c4 + a49a4 = bb23b8 find number abc. Multiple solutions may exist.Correct answers: 11
#brainteasers #math
Round-the-world jet plane flightIn 1957, three B-52's took off from Castle Air Force Base in California on the first nonstop, round-the-world flight by jet planes. The trip lasted 45 hours and 19 minutes. |