1幫我解下段野
all integers,fractions,terminating decimals and recurring decimals can each be expressede as a ratio of two integers,i.e. p/q,where p,q are integers and q =/= 0. all these munbers are called rational munbers.
2 幫我解釋一下複數是什麼
點樣分別 complex number,real number,imaginary number
因為書用英文 我有d唔明 thx!!