题目
题型:单选题难度:简单来源:同步题
[ ]
B.1.725×103
C.0.270
D.82
答案
核心考点
举一反三
[ ]
B.1.2×10-6米
C.1.2×10-7米
D.12×10-8米
[ ]
B.46000000
C.460000000
D.4600000000
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