问题 填空题
已知:
5.21
=2.283,
52.1
=7.281,
35.21
=1.734,
352.1
=3.735,则
5210
=______,
30.0521
=______.
答案

52.1
=7.281,

5210
=
52.1
×
100
=7.281×10=72.81;

352.1
=3.735,

30.0521
=
3
52.1
1000
=
352.1
10
=
3.735
10
=0.3735.

故答案为:72.81;0.3735.

单项选择题
单项选择题