求10^-6.5*10^4.5-10^-6.5 = -3.1622776601684 * 10 -7AD BE CF=(AB BC CA) (BC/2 CA/2 AB/2)
问题描述:
求10^-6.5*10^4.5-10^-6.5 = -3.1622776601684 * 10 -7AD BE CF=(AB BC CA) (BC/2 CA/2 AB/2)
x2^2-ax2)/(x1^2-ax1)>0 3AB BC CA)/2=0
答
19.6 x 14.2 x 5.2 cm假设1n(M N)=1nM 1nM假设y=k/x(k≠0)limx*sin(1/x)