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Edit question 2.3.3. Add brackets to minus. #186

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Edit question 2.3.3. Add brackets to minus. #186

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Edit 2.2.3.md Add brackets to minus sign
aLLeksey Dec 4, 2020
245d009
add my roman numerals
aLLeksey Jan 9, 2021
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37 changes: 37 additions & 0 deletions ch02/2.2/rom
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Original file line number Diff line number Diff line change
@@ -0,0 +1,37 @@
head->X
sub->sub|head
low->head|headhead|headheadhead
subed->L|C
mid->C
lh->low
hh->midlow
tens->lh|hh|headsubed|e

head->I
sub->sub|head
low->head|headhead|headheadhead
subed->V|X
mid->V
lh->low
hh->midlow
ones->lh|hh|headsubed|e

head->C
sub->sub|head
low->head|headhead|headheadhead
subed->M|D
mid->D
lh->low
hh->midlow
hundrs->lh|hh|headsubed|e

head->M
low->head|headhead|headheadhead
thouth->low|e

rim->thouth_hundrs_ones





2 changes: 1 addition & 1 deletion ch02/2.3/2.3.md
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Expand Up @@ -56,7 +56,7 @@ translation schemes:

```
expr -> expr {print("+")} expr +
| expr {print("-")} expr -
| expr {print("-(")} expr {print(")"} -
| {print("(")} expr {print(")*(")} expr {print(")")} *
| {print("(")} expr {print(")/(")} expr {print(")")} /
| digit {print(digit)}
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