英語加減乘除運(yùn)算的表示方法
1. 加法:加法運(yùn)算通常用and, plus, add 等表示。如:
Seven and [plus] eight is [are, make(s)] fifteen. 7加8等于15。
If you add ten to eight, you get eighteen. 10加8等于18。
2. 減法:減法運(yùn)算通常用 minus, from, take (away) (from) 等表示。如:
Eight minus five is [leaves] three. 8減 5等于3。
4 from 20 leaves 16. 20減4余16。
Ten take away four is [leaves] six. 10減去4得6。(D8)
If you take five from twelve, you're left with seven. 12減去5得7。
If you take four away from ten, that leaves six. 10減去4得6。
3. 乘法:乘法運(yùn)算通常用 times, multiplied by, twice 等表示。如:
Five times three is [equals] fifteen. 5乘以3等于15。
Five multiplied by two equals ten. 5乘以2等于10。
What is twice two? 2乘2是多少? (from www.yingyuyufa.com)
4. 除法:除法運(yùn)算通常用 divided by, into 等表示。如:
Twelve divided by four is [makes] three. 12除以4等于3。
Four into twelve is [makes] three. 12除以4等于3。