Terry added 3 and 7 he got the sum of 9 his answer is is not correct described how Terry can find the correct sum

Mathematics

2 answers:

abruzzese [7]3 years ago

8 0

When he added 3+7 he though it is 2+7 the ans is 10

exis [7]3 years ago

5 0

O it is not correct he can find the correct sum by counting and adding 8,9,10 so the answer is ten he was one of his answer he must not of counted right

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