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>> No.4507597 [View]
File: 43 KB, 550x400, 1332776839472.jpg [View same] [iqdb] [saucenao] [google]
4507597

so /b/ (http://boards.4chan.org/b/res/389218096)) is undecided between these 3 rules:
we do this left to right
first divisions
first multiplications

which rule is it

>> No.4408133 [View]
File: 43 KB, 550x400, 6÷21+2.jpg [View same] [iqdb] [saucenao] [google]
4408133

9 or 1

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