Overview: 1 questions will be solved this time.Among them
           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality a*1.45*1.4*300/(300+406)*2+a*1.45*300/(300+406)+64720*0.2 <64720 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         a * 1.45 * 1.4 * 300 / ( 300 + 406 ) * 2 + a * 1.45 * 300 / ( 300 + 406 ) + 64720 * 0.2 <64720         (1)

---

    From inequality(1)：
         a ∈ R (R is all real numbers),that is, in the real number range, the inequality is always established!

---

    The final solution set is :
         a ∈ R (R is all real numbers),that is, in the real number range, the inequality is always established!

Your problem has not been solved here? Please take a look at the  hot problems ！