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If a is increased by 10% and b is decreased by 10%, the resulting numbers will be equal. What is the ratio of a to b?
If a is increased by 10% and b is decreased by 10%, the resulting numbers will be equal. What is the ratio of a to b?
admin
2012-01-15
58
问题
If a is increased by 10% and b is decreased by 10%, the resulting numbers will be equal. What is the ratio of a to b?
选项
A、
B、
C、
D、
E、
答案
A
解析
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