Question

2 + 8 + 9 = 10 , 1 + 9 + 8 = ?

Answer 1

the logic here is
take the first letter of each spelled out number:

One+Nine+Eight= ONE
Two+Eight+Nine= TEN
so answer is one


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Answer 2

Step-by-step explanation:

1 (one). Similary,. 2 (two) + 9 (nine) + 8 (eight) . = t + n + e. = t + e + n. = 10 (ten). Therfore, 10 should be the answer. Edit 1 : Just because ...

2 + 8 + 9 = 10====2 (two) + 8 (eight)+9(nine) = t +e+n=ten

the answer. Edit 2.: 1(one)+9(nine)+8(eight)=o+n+e=1