2015年四川省眉山市中考数学试卷
2015年四川省眉山市中考数学试卷一、选择题:本大题共12个小题,每小题3分,共36分,在每个小题给出的四个选项中,只有一项是正确的,请把正确选项的字母填涂在答题卡上相应的位置.1.(3分)﹣2的倒数是( )A.B.2C.﹣D.﹣22.(3分)下列计算正确的是( )A.3a+2a=6aB.a2+a3=a5C.a6÷a2=a4D.(a2)3=a53.(3分)某市在一次扶贫助残活动中,共捐款5280000元,将5280000用科学记数法表示为( )A.5.28×106B.5.28×107C.52.8×106D.0.528×1074.(3分)下列四个图形中是正方体的平面展开图的是( )A.B...
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