Calculate the number 231
NUMBERMANIA: Calculate the number 231 using numbers [3, 5, 5, 7, 26, 156] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 0
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A teacher was giving a lesson...
A teacher was giving a lesson on the circulation of the blood. Trying to make the matter clearer, she said, "Now, class, if I stood on my head, the blood, as you know, would run into it, and I would turn red in the face.."
"Yes," the class said.
"Then why is it that while I am standing upright in the ordinary position the blood doesn't run into my feet?"
A little fellow shouted,
"Cause your feet ain't empty."
"Yes," the class said.
"Then why is it that while I am standing upright in the ordinary position the blood doesn't run into my feet?"
A little fellow shouted,
"Cause your feet ain't empty."