Calculate the number 489
NUMBERMANIA: Calculate the number 489 using numbers [1, 1, 3, 3, 54, 544] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 1
#brainteasers #math #numbermania
Salk vaccine testedIn 1954, mass testing of the Salk polio vaccine began, involving about 1.8 million children. |