Math.round(11.5)等於多少? Math.round(-11.5)等於多少?

[主观题]math.round(11.5)和math.round(-11.5)的结果各是多少？

[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]表达式Round（7.8）+Round（-7.6）的结果是（）。A . 15B . -1C . 1D . 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]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

[主观题]—________ this her math book?—Yes，it is．

[名词解释] 轮唱曲round

[单选题]（ ） –I think English is __________ math.–Yes, I think so.A．much important thanB．so important asC．as important asD．as more important as

[主观题]The math problem is too difficult.__________ (无一人) of us can work it out in our class.

[单选题]The math problem is ______ to work out.A.too difficultB.difficult muchC.eno