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We need tae calculate 9.005 minus 3.6,
or we coud seeit aes
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9 n 5 thoosants
minus 3 n 6 tents.
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Whaniver ye dae ae subtractin deceemals proablem,
the maist important thing,
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n this is true whan ye'r eikin deceemals n aw,
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is that ye hae tae line the deceemals up.
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Sae 9.005 minus 3.6.
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Sae we'v lined the decemals up,
n nou we'r readie tae subtract.
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Nou we can subtract.
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Sae we stert up here.
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We hae 5 minus nawthing.
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Ye coud imagen 3.6,
or 3 n 6 tents.
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We coud eik twa zeros richt here,
n it wid be the same thing aes
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3 n 600 thoosants,
the same aes 6 tents.
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N whan ye luik at it that waa,
ye'd say, "O.K., 5 minus 0 is nawthing,
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n ye juist sceeve ae 5 here".
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Or ye coud'v said,
gif thaur's nawthin there,
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It woud hae been
5 minus nawthing is 5.
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Than ye hae 0 minus 0,
n that's 0.
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N than ye hae ae 0 minus 6.
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N ye canna sutract 6 fae 0.
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Sae we need tae get sommit
intae this space here,
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n whit we'r baseeclie gaun tae dae
is tae regroop.
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We'r gaun tae tak ae 1 fae the 9,
sae lat's dae that.
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Sae lats tak ae 1 fae the 9,
sae it becomes aen 8.
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N we need tae dae sommit wi that 1.
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We'r gaun tae put it in the tents steid.
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Mynd ye, yin hale is the sam aes 10 tents.
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This is the tents steid.
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Sae than this wil become 10.
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Somtimes it's said that ye'r
borroin the 1,
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but ye'r realie takin it,
n ye'r realie takin 10
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fae the steid oan ye'r cair.
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Sae yin hale is 10 tents,
we'r in the tents steid.
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Sae ye hae 10 minus 6.
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Lat me switch colours.
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10 minus 6 is 4.
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Ye hae ye'r deceemal richt there,
n than ye hae
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8 minus 3 is 5.
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Sae 9.005 minus 3.6 is 5.405.