8.72*18.7+8.72*80.3+8.72简算
问题描述:
8.72*18.7+8.72*80.3+8.72简算
答
8.72*18.7+8.72*80.3+8.72 = (18.7+80.3+1)*8.72
答
8.72*18.7+8.72*80.3+8.72
=8.72*(18.7+80.3+1)
=8.72*100
=872