将0.12345、0.123451、0.123449分别修约为四位有效数字,结果是()


将0.12345、0.123451、0.123449分别修约为四位有效数字,结果是()

A.0.1235,0.1235,0.1234

B.0.1235,0.1235,0.1235

C.0.1234,0.1235,0.1235

D.0.1234,0.1235,0.1234

正确答案:0.1234,0.1235,0.1234


Tag:分析化学 数字 时间:2021-12-30 14:01:02