摘要:
Problem:Work out the first ten digits of the sum of the following one-hundred 50-digit numbers.3710728753390210279879799822083759024651013574025046376... 阅读全文
摘要:
Problem:The sequence of triangle numbers is generated by adding the natural numbers. So the 7thtriangle number would be 1 + 2 + 3 + 4 + 5 + 6 + 7 = 28... 阅读全文