观察下列等式:3 1 =3, 3 2 =9, 3 3 =27, 3 4 =81, 3 5 =243, 3 6 =729, ...
观察下列等式:31=3,32=9,33=27,34=81,35=243,36=729,37=2187…解答下列问题:3+32+33+34…+32013的末位数字()A.0...
观察下列等式:3 1 =3, 3 2 =9, 3 3 =27, 3 4 =81, 3 5 =243, 3 6 =729, 3 7 =2187…解答下列问题:3+3 2 +3 3 +3 4 …+3 2013 的末位数字( ) A.0 B.1 C.3 D.7
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