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-6 from the 400 so it makes it a whole number

+1 to the 399 to make it a whole number

and then leave 390 because its a whole number then add it all up it =1190

then you + the 6 you subtracted

then - the 1 you added

then it all = 1195

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11y ago

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Q: How do you work out 406 399 390?
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