Find the pattern to determin...
Find the pattern to determine what the missing number is.Correct answers: 98
The first user who solved this task is Roxana zavari.
#brainteasers #math
Adding machineIn 1872, the first U.S. patent for an adding machine capable of printing totals and subtotals, called a "calculating machine," was issued to E.D. Barbour of Boston, Mass. However, it was not practical. (No. 133,188) |