Post #4334751
2026-08-02 15:12 UTC
@FishFace@ioc.exchange yeah something like that, still, I've read the relevant page and it seems to me that though they demonstrate multiplication then division, they don't seem to explicitly indicate that this order must be followed. Further, they always have multiplication in brackets if it directly follows division, which to me implies that they would expect a different result without those brackets (possibly due to left-right processing)
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@FishFace@ioc.exchange 2026-08-02 15:26
@bemmesr@mathstodon.xyz yeah in that textbook there is no explicit rule that I was able to find. Lennes wrote a letter in some journal, IIRC, which clarified his position on this. In some of his other textbooks it's made explicit, e.g. here https://archive.org/details/elementaryalgebr0000unse_l2r5/page/20/mode/2up