49.4950, 30.1050, 30.0150,3个数据取4位有效数字,则分别是
A、 49.50, 30.10, 30.02;
B、49.50, 30.11, 30.01;
C、49.49, 30.10, 30.01;
D、49.49, 30.11, 30.01
发布时间:2025-08-01 19:11:38
A、 49.50, 30.10, 30.02;
B、49.50, 30.11, 30.01;
C、49.49, 30.10, 30.01;
D、49.49, 30.11, 30.01