This blog goes back a few years! while I was teaching in various schools in NSW, Australia. It contains a wide range of mathematics explanations, notes, and resources covering secondary-level mathematics topics. The easiest ways to navigate are by using the search bar or browsing through the labels/tags. If you find my content helpful and would like to support my work, a coffee donation is greatly appreciated — thank you!
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Friday, 4 December 2015
Find the sum of all the whole numbers from 1 to 1000 which are not multiples of 7.
QUESTION Find the sum of all the whole numbers from 1 to 1000 which are not multiples of 7.
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