Calculate A+B
Determine the pattern and calculate A+B. Author: Dejan Marsenic (Serbia)Correct answers: 39
The first user who solved this task is Sanja Šabović.
#brainteasers #math
Cistern cleanersIn 1895, cistern cleaners were patented by black American inventor, R.H. Gray, (No. 537,151). In Aug 1894, he received a patent for a baling press. |