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View Thread: I cringe at those basic math question posted on the web.
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    cheong

    @Proton2: I think basic "arithmetic operator ordering" has been taught in primary 3 when multiplication / division is taguht.

    And for "it's not something most people actually need very often", I'd think it's the natural calculation sequence on your purchase reciept, just not many people who try to make connection from that daily fact. Once you make that connection you will remember it easily.