What is the ones digit of the result of $$\((4444 \times 5555)+(555 \times 666)+(66 \times 77)+(7 \times 8)\)$$ ?
A.
0
B.
2
C.
6
D.
8
Exam No：2022 First Round Grade 3 Year：2022 Question No：15
Answer:
D
Knowledge points:
G3 - Number Sense - Ones Digit Patterns
Solution:
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