It seems that putting \column before itemize of 'c', forces 'c' together with
this content. Repeating this step produces what I want:
\startexercici[exercici:operacions-amb-fraccions-2]{multiplicació i divisió}
Opereu:
\startitemize[a, columns, three]
\item \startformula 3 \cdot \frac{5}{3} \stopformula
\item \startformula \frac{3}{4} \cdot \frac{2}{5} \stopformula
\column
\item \startformula \frac{1}{3} \cdot \frac{3}{4} \div \frac{1}{5} \stopformula
\item \startformula 5 \div \frac{7}{10} \cdot 7 \div \frac{2}{5} \stopformula
\column
\item \startformula \frac{1}{2} \cdot \frac{1}{2} \stopformula
\item \startformula \frac{3}{2} \div \frac{2}{3} \div \frac{5}{4} \stopformula
\column
\item \startformula \frac{2}{3} \colon \frac{2}{5} \stopformula
\item \startformula \frac{3}{4} \colon \frac{1}{2} \cdot 6 \stopformula
\item \startformula \frac{2}{3} \colon \frac{3}{4} \cdot \frac{1}{2}
\stopformula
\stopitemize
\stopexercici
@fv leung said I have to replace frac for dfrac, but it mess up the following
content in my book.
Thanks all,
On Thu, 24 Feb 2022 23:04:43 +0000
Bruce Horrocks <n...@scorecrow.com> ha escrit:
>
>
> > On 24 Feb 2022, at 22:10, Xavier B. via ntg-context <ntg-context@ntg.nl>
> > wrote:
> >
> > Even if I change
> > \startexercici[exercici:operacions-amb-fraccions-2]{multiplicació i
> > divisió} Opereu:
> > \startitemize[a, columns, three]
> >
> >
> > for
> >
> > \startexercici[exercici:operacions-amb-fraccions-2]{multiplicació i
> > divisió} Opereu:
> > \startitemize[a, columns]
> >
> >
> > the 'c' jumps.
> >
> > Isn't ConTeXt capable of handle that?
>
> Please see the attached PDF.
>
> The green line shows how much space is needed to fully print item (b). Item
> (c) will need the same amount of space, shown by the red line. However, this
> would take you into the footer area (shown by the blue arrows), so item (c)
> is split: the item label fits into the space at the bottom of the column and
> so is printed there; the fraction doesn't fit and so is moved to the next
> column.
>
> The solution to your problem would be some way of forcing the item body to
> stay with the label. I don't know what that command is - hopefully someone
> here does know.
>
> —
> Bruce Horrocks
> Hampshire, UK
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