[主观题]Math.round(11.5)等於多少? Math.round(-11.5)等於多少?
[单选题]ROUND(1234.56,-2)和ROUND(1234.56,1)的正确结果是A)1234和1234.5 B)1230和1234.6 C)1200和1234.5 D)1200和1234.6
[单选题]ROUND(1234.56,-2)和ROUND(1234.56,1)的正确结果是A.1234和1234.5B.1230和1234.6C.1200和1234.5D.1200和1234.6
[单选题]表达式Round(7.8)+Round(-7.6)的结果是()。A . 15B . -1C . 1D . 0
[单选题]Math.ceil(99.1)的结果是()A .99B .100C .99.1D . D.99.0
[单选题]ROUND(1234.56, -2)和ROUND(1234.56,1)的正确结果是A.1234和1234.5B.1230和1234.6C.1200和1234.5D.1200和1234.6
[单选题]函数LEN(ROUND(123.456,2))的结果是A.6B.7C.123.46D.系统报错
[主观题]—________ this her math book?—Yes,it is.
[单选题]已知pi=3.1415926,执行?ROUND(pi,3)的结果为()。A . 3.141B . 3.142C . 3.140D . 3.000