同學上傳作答內容所用網頁 https://bit.ly/47uMxaE 

第1題可用輸入
2x^0 - 1x^1  +1 x^3    -2x^2
3x^4+9x^3-198x^2+156x^1+360x^0
1x^5-10000x^3
+1198x^9-119800x^7+40000x^6-1000x^8+6x^10


第2題可用輸入
10.5+20.8*(50.1-30.6)/2.5^4-6.6*8.2
10-30*(-40-20)%2^4+7.5*-6
1+sin((-50.2+sin(3.8*20)*cos(-30-100%40))*2^-2.5)*cos(123.456)
100*(sin(sin(sin(+50.2*cos((30+100%40)*sin(60/5.5)))+20*(+50/30.0)^3.5-6*8)))^2

100*(sin(sin(sin(50.2*cos((30+100%40)*sin(60/5.5)))+20*(50/30.0)^3.5-6*8)))^2