题目内容

判断下面的计算对不对
(1)b5•b5=2b5______          
(2)b5+b5=b10______
(3)x5÷x5=0______               
(4)(-2a2c)3=-8a5c3______
(5)c•c3=c3______                
(6)(-a25=-a10.______.
(1)原式=b10
(2)原式=2b5
(3)原式=x0=1;
(4)原式=-8a6c3
(5)原式=c4
(6)原式=a10
故答案为:×;×;×;×;×;×.
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