The Singing Hedgehog Guide to:
BIDMAS 2
Here is an example to show how BIDMAS works:
(6 - 3) x 18 ÷ 3²
brackets first:
3 x 18 ÷ 3²
indices next:
3 x 18 ÷ 9
divide:
3 x 2
multiply:
6
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