bidmas is used for order of operation meaning in what order you do the sum
the order is
1. brackets
2. indices
3. divisions
4. multiplications
5. additions
6. and finally subtraction
so when you are doin a sum with these mixed in that is the order u calculate in :D
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BIDMAS, BODMAS and BEDMAS all pretty much mean the same thing, although BEDMAS is the least used, BODMAS is used by most mathematicians, and BIDMAS is mainly used for teaching people about it.
2 * 3 - 7 + 8, although you don't require BIDMAS for that!
BracketsIndeciesDivideMultiplyAddSubtractBracketsOverDivideMultiplyAddSubtract
BIDMAS is an acronym to help you remember the order of mathematical operations:BracketsIndiciesDivisionMultiplicationAdditionSubtractionAnother anagram for this is "bodmas" identical, but the "o" stands for "power of":Bracketspower OfDivisionMultiplicationAdditionSubtraction
brackets indices division multiplication addition subtraction