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My point was that Harold can eliminate obvious errors such as -43 on the grounds that it is out of range.
Good morning bobbym
Am I right about this:
You're right,i missed a minus sign,thank you a lot,you guys taught me a lot of things today.
Looks like -23 - 20 = -43 rather than -23 + 20 = -3
I am sorry to bug again but after you gave me the formula,i experimented a little and solution to -23 mod -5 results -43,is it correct
Guys,I have another problem,my brother says that 23 mod -5 will be 3 as Euclidean division states a=bq+r and the division will be 23=(-5)*(-4)+3.
I see that now. He got the right answer too.