Subtract 3 from 7 and you have 4
加 ADD/ 減 SUBTRACT/ 乘 MULTIPLY / 除 DIVISION
1 + 1 = 說的時候是ONE PLUS ONE
1 - 1 = ONE MINUS ONE
1 x 1 = ONE TIMES ONE
1 / 1 = ONE DIVIDE BY ONE
金a?!
6 除以 2 是 six divided by two
@@ 你是不是多打一個以