摘要:C 72.B 73.A 74.D 75.B 76.C 77.C 78.C 79.D 80.C
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计算:
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= .
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(1+
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(1+
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(1+
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计算:
•
=______.
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(1+
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(1+
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(1+
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(1+
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观察下列算式:71=7,72=49,73=343,74=2401,75=16807,76=117649,77=823543,78=5764801…根据上述算式的规律,你认为72010的末位数字是
[ ]
A.7
B.9
C.3
D.1
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B.9
C.3
D.1