[单项选择题] 数1.21314151617181D+019写成普通的十进制数是______。
A.12131415161718100
B.121314151617181000
C.1213141516171810000
D.12131415161718100000
正确答案:D

[单项选择题] 数1.21314151617181D+019写成普通的十进制数是______。
A.12131415161718100
B.121314151617181000
C.1213141516171810000
D.12131415161718100000
正确答案:D