A) 9, 90, 900, 9000
B) 9, 99, 990, 9990
C) 9, 90, 990, 9900
D) 9, 99, 900, 9000
Correct Answer: A
Solution :
4+5 = 9 40+50 = 90 400 + 500 = 900 4000 + 5000 = 9000You need to login to perform this action.
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