Calculate the number 300
NUMBERMANIA: Calculate the number 300 using numbers [3, 4, 2, 8, 43, 173] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 5
#brainteasers #math #numbermania
Letter boxIn 1891, Philip B. Downing, inventor, was awarded a U.S. patent for an improvement to the street letter (mail) box. This improvement in the covering and opening of outdoor mailboxes protected mail from both intruders and weather. It is relatively unchanged to this day. (No. 462,093) |