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OpenStudy (anonymous):
754-543=? I need compensation done, please!
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OpenStudy (anonymous):
use a calculator. 211.
OpenStudy (anonymous):
Or you could do it in your head easily. 7-5=2 5-4=1 4-3=1 =211
OpenStudy (anonymous):
No i need compensation as if u -3 off one then you need to +3 to the other! I can't just use a calculator!
OpenStudy (anonymous):
|dw:1315886584131:dw| I hope that helped :)
OpenStudy (anonymous):
add 57 to the first number and subtract 57 from the second to get 811 - 600 = 211
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OpenStudy (anonymous):
Well I need to compensate Example, if you -3 off one number then you have to +3 to the other number to make it easier to add or subtract mentally!
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