“3乘以10的负5次方”英语怎么读？
3 multiplied 10 to power minus 5
three times ten to the power of negative five
5 (five) times 10 (ten) to the 7th(venth) power.
英语中,平方一般称为 x squared
立方可以称为 x cubed 或者按照一般方法
一般方法：x的y次方是 x to the yth power.
我是苏素
1.5乘以10的6次方用英语怎么读？
one point five multiply ten to the power of six
Three to the third power is three times three times three, which equals 27.
3的3次幂相当于3乘3乘3，等于27。
mg=milligram 毫克(单位)
番薯饼
μm(微米)是micrometer的缩写"μm",1微米=1000毫米(mm)〕
二次方，平方 square
三次方，立方 cube 闾阎是什么意思
(负2次方:negative square)课前一分钟演讲
负3次方:negative cube
关于英语减法、乘法、除法
(2006-09-09 11:26:40)
转载
用英语怎么说7-5＋2
用英语怎么说2*5＝10
用英语怎么说10÷5=2
1,表达方法多种：
Seven subtract five plus two
Seven subtract five and two
Seven subtract five add two
2, Two multiplied by five is(makes) ten.
Two times five is(makes) ten.
3, Ten divided by five is (equals/gives/makes) two.
加减乘除表示法
1. “加”用plus，and或add表示；“等于”用is，make，equal等词表示。
2+3=? 可表示为： How much is two plus three?
2+3=5
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．
二加三等于五
2. “减”用 minus或 take from表示
10－6＝? How much is ten minus six?
10-6=4
Ten minus six is four．
Take six from ten and the remainder is four.
Six (taken) from ten is four．
十减去六等于四
3. “乘”用time（动词）或multiply表示
花开若相惜3X4＝? How much is three times four?
新高考方案3X4=12
Three times four is/are twelve．
Multiply three by four，we get twelve．
Three multiplied by four makes twelve．
三乘以四等于十二
4. “除”用divide的过去分词形式表示
16÷4=? How much is sixteen divided by four?
16÷4＝4
Sixteen divided by four is four．
Sixteen divided by four equals/gives/makes four．
十六除以四等于四。
3. Real numbers
x+1 x plus one
x-1 x minus one
警察局英语
x±1 x plus or minus one
xy xy / x multiplied by y
(x - y)(x + y) x minus y, x plus y
x y x over y
= the equals sign
x = 5 x equals 5 / x is equal to 5
x≠5 x (is) not equal to 5
x≡y x is equivalent to (or identical with) y
x ≡ y x is not equivalent to (or identical with) y
x > y x is greater than y
x≥y x is greater than or equal to y
x < y x is less than y
x≤y x is less than or equal to y
0 < x < 1 zero is less than x is less than 1
0≤x≤1 zero is less than or equal to x is less than or equal to 1
| x | mod x / modulus x
x 2 x squared / x (raid) to the power 2
x 3 x cubed 韭菜鸡蛋虾仁饺子
x 4 x to the fourth / x to the power four
x n x to the nth / x to the power n
x −n x to the (power) minus n
x (square) root x / the square root of x
x 3 cube root (of) x
x 4 fourth root (of) x
x n nth root (of) x
( x+y ) 2 x plus y all squared
( x y ) 2 x over y all squared
n! n factorial
x ^ x hat
x ¯ x bar
x ˜ x tilde
x i xi / x subscript i / x suffix i / x sub i
∑ i=1 n a i the sum from i equals one to n a i / the sum as i runs from 1 to n of the a i
4. Linear algebra
‖ x ‖ the norm (or modulus) of x
OA → OA / vector OA
OA ¯ OA / the length of the gment OA
A T A transpo / the transpo of A
A −1 A inver / the inver of A
5. Functions
f( x ) fx / f of x / the function f of x
f:S→T a function f from S to T
x→y x maps to y / x is nt (or mapped) to y
f'( x ) f prime x / f dash x / the (first) derivative of f with respect to x
f''( x ) f double-prime x / f double-dash x / the cond derivative of f with respect to x
f'''( x ) triple-prime x / f triple-dash x / the third derivative of f with respect to x
f (4) ( x ) f four x / the fourth derivative of f with respect to x
∂f ∂ x 1 the partial (derivative) of f with respect to x1
∂ 2 f ∂ x 1 2 the cond partial (derivative) of f with respect to x1
∫ 0 ∞ the integral from zero to infinity
lim x→0 the limit as x approaches zero
