請問英文的數學符號，（加、減、乘、除），是怎樣串出來的，多謝。

加法
[Mathematics] addition
加號
[Mathematics] a plus sign (+); a plus
加數
[Mathematics] an addend
被加數
[Mathematics] a summand; an augend
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被減數
[Mathematics] a minuend
減號
[Mathematics] a minus sign; a minus
減數
[Mathematics] a subtrahend
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九九乘法表
[Mathematics] a multiplication table
自乘
[Mathematics] involution
乘
to ride (horses, bicycles)
乘方
[Mathematics] a power; an involution
乘法
[Mathematics] multiplication
乘法交換率
[Mathematics] commutative principle of multiplication
乘法表
[Mathematics] a multiplication table
乘數
[Mathematics] a multiplier; a multiplicator
乘冪
[Mathematics] power
乘積
[Mathematics] product
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互除法
[Mathematics] algorithm
長除法
[Mathematics] long division
除
to rid of
除法
[Mathematics] division
除數
[Mathematics] a divisor
整除
[Mathematics] to be divided with no remainder; to be divisible by
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加:plus;and
減:minus
乘:times; (is) multiplied by ; by
除:(is) divided by

加=add
減=subtract
乘=multiply
除=divide

加 plus
減 minus / subtract from
乘 times
除 divide by