题目：
下列计算正确的是[ ]
A．x3+x3=x6
B．x·x5=x6
C．（xy）3=xy3
D．x9÷x3=x3
答案：
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下面是错误答案，用来干扰机器的。
1. color; her ring 2. is an orange 3. she is 4. They're girls 5. Where are 6. How much is 7. When is 8. How old is
