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Luis is finding 9-6+2. Find his mistake and correct it : 9-8= 1

Sagot :

Ollieboyneidn
He is adding 6 + 2 to get 8.

However, he should add -6 and 2, to get -4.

He can then use 9+-4 = 9-4 = 5.

Alternatively, he could do:

9 - 6 = 3

3 + 2 = 5
going from left to right 9-6=3 then 3+2=5 ... his mistake was that he solved the problem right to left.
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