$$\(20 \mathrm{~km}+20 \mathrm{~m}=\)$$
A.
22 km
B.
20.2 km
C.
2020 m
D.
20020 m
Exam No：2020 First Round Grade 5 Year：2020 Question No：9
Answer:
D
Knowledge points:
G5 - Measurement - Unit Conversion (Metric & Time)
Solution:
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