问题
3×104比4×103大多少？（)A.25% B.50% C.750% D.650%
3×104比4×103大多少？()
A.25%
B.50%
C.750%
D.650%
请帮忙给出正确答案和分析，谢谢！
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thrown in /usr/local/xunsearch/sdk/php/lib/XS.php on line 2559
