等于

Any number to the power of nought is equal to one.

任何数的0次方等于1。

Two plus five is seven.

二加五等于七。

Let x equal 5 and y equal 3.

设x等于5，y等于3。

Two and three added together are five.

2加3等于5。

One minus one is zero.

1减1等于0。

Four times six is 24.

4乘以6等于24.

Eight kilometres is roughly equivalent to five miles.

八公里约等于五英里。

Going grey is not necessarily synonymous with growing old.

头发变白并不一定等于变老了。

9 percent interest less 7 percent inflation equals 2 percent.

9%的利息减去7%的通货膨胀率等于2%。

6 subtracted from 9 is 3.

9减6等于3。

A hall ran the length of the upper floor of the house.

走廊的长度等于房子上层的长度.

230cm divided by 22cm is 10.45cm.

230厘米除以22厘米等于10.45厘米。

What does two and two make?

2加2等于几？

Four twos make eight.

4乘以2等于8。

Whatever is hidden is harmful (hence revelation equals security).

任何隐藏的东西都是有害的（所以披露就等于安全）。