problem_set_example.csv

序号,编号,题面,解法一,解法二,解法三,英文题面,标注,备注
1,1,因式分解：x^4+x^2+1,原式=x^4+2x^2+1-x^2=(x^2+1)^2-x^2=(x^2+x+1)(x^2-x+1),,,"Factor the polynomial: x^4 + x^2 + 1",,中等
2,2,因式分解：x^3+1,原式=x^3+1=(x+1)(x^2-x+1),,,"Factor the polynomial: x^3 + 1",,简单