1年前1个回答
你能帮帮他们吗
they are all in favour of his suggestion that the matter nee
1年前
左移右移运算右移相当于是除,左移相当于就是乘,左移一位乘以2,左移二位乘以4,依此类推.无论正数、负数,它们的右移、左移
1年前
(2005•武汉模拟)已知x、y满足约束条件x≥0y≥0x+y≥1,则(x+2)2+y2的最小值为( )
1年前
My mother ___ every day and she's very healthy.这个天什么,为什么?
1年前
I had to get up early so that I could catch the first bus.改为
1年前