计算:53.87×47-538.7×3.9+5387×0.92.
问题描述:
计算:53.87×47-538.7×3.9+5387×0.92.
答
原式=5387×0.47-5387×0.39+5387×0.92
=5387×(0.47-0.39+0.92)
=5387×1
=5387.