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[–] 6 points 4 months ago (2 children)

That's not lazyness. Multiplication is always done before addition. No need for parenthesis for that.

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  • [–] 4 points 4 months ago*

    I picked example without confusion on purpose, because most people will generally avoid patterns similar to what OP posted. But if you want something more ambigious:

    This is clearly 5/(2 * (a+9)). If we write this the form that the OP uses: 5/2(a+9) - it's fucked beyond all recognition.

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  • [–] 1 point 4 months ago

    I think the issue comes with "division and multiplication", and "addition and subtraction" Here, I see people saying "Brackets/Parenthesis > Division > Multiplication > Subtraction > Addition" when I was taught "Brackets/Parenthesis > Division or multiplication, left to right > Subtraction or addition, left to right"

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