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TOPIC: P6 number patterns onsponge

P6 number patterns onsponge 7 months 2 weeks ago #1

  • Joey
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Simplr examinations paper 1 Q 19

Find the sum of the following number patterns.

-1+2-3+4-5+6...........-1997 + 1998 - 1999 + 2000
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P6 number patterns onsponge 7 months 2 weeks ago #2

  • Fibonacci
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Number of numbers = 2000
Number of pairs = 1000
Sum of each pair = 1 (Since -1+2 = 1, -3+4 = 1... -1999+2000 = 1)
Sum = 1000 x 1
= 1000
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