(√3)²-4*(1/2)+(-2)³
=3-2-8
=1-8
=-7
猜你喜欢
- 1m.n是任意自然数,A是常数,定义运算m#n=(A×m-2n)÷4,且2#3=0.5,试求常数A,并计算(5#4）×（6#2）÷（3#2)
- 2解释繁星春水的几首诗!
- 3邓稼先这篇课文讲了什么
- 4如图,某楼梯每一级台阶的宽度为28cm,高度为14cm求楼梯的切斜角正切值
- 5i.e 发ai 英语单词
- 6nothing could have been more annoying
- 744g CO2 所含的原子数目为NA（阿伏伽德罗常数）
- 8It's not necessary___(care)what other people think.
- 9设有说明”static int a [3][3]={{1},{4,5},{7,8,9}},*p=a[2];”,则*(p-2)的值为_
- 10六年级数学日记有关圆的周长只要50字