문제 1선택형8÷88\div8777∫0∞6dx777\int_0^{\infty}\!6\,dx는 fira Math 폰트이다!3−+323-+3^2π969\pi9\sqrt{69}9684\frac{96}{84}96−9°6+57\frac96-9\degree6+\frac57