题目:
A child withdraws from his piggy bank 10% of the original sum in the bank. If he must add 90¢ to bring the amount in the bank back up to the original sum, what was the original sum in the bank ?()
A.$1.00
B.$1.90
C.$8.10
D.$9.00
E.$9.90
答案:
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参考答案:(13) 企业级数据库解析:解析:SYBASE的企业解决方案包括企业级数据库,数据复制和数据访问。