2+3=? 可表示为： How much is two plus three?
Two plus three is five.
Two and three is equal to five.
Two and three make five.
Two added to three equals five.
If we add two to/and three, we get five.
2. “减”用 minus或 take from表示
10-6=? How much is ten minus six?
Ten minus six is four.
Take six from ten and the remainder is four.
Six (taken) from ten is four.
3X4=? How much is three times four?
Three times four is/are twelve.
Multiply three by four，we get twelve.
Three multiplied by four makes twelve.
16÷4=? How much is sixteen divided by four?
Sixteen divided by four is four.
Sixteen divided by four equals/gives/makes four.
3/4 three fourths或 three quarters
1/3 one third或a third
24/25 twenty-four twenty-fifths
3 1/4 three and one fourth或 three and one quarter
1/2 a half
1/4 one quarter或a quarter
1 1/2 one and a half
1 1/4 one and a quarter
1 1/2 hours 一个半小时(读作 one and a half hours)
2 3/4 meters 二又四分之三米(读作two and three-fourths meters)
4/5 meter 五分之四米
5/6 inch 六分之五英寸
10的7次方 the seventh power of ten(ten to the seventh power)
6的10次方 the tenth power of six(six to the tenth power)