Increasing the ones digit of each of my two addends by 1 would change both the tens digit and the hundreds digit of their current sum. The current sum of my addends could be
A.
189
B.
197
C.
198
D.
209
Exam No：2020 First Round Grade 6 Year：2020 Question No：29
Answer:
C
Knowledge points:
G6 - Number Sense - Place Value & Powers of 10
Solution:
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