1250x0.037+0.125x160+12.5x47简便计算
问题描述:
1250x0.037+0.125x160+12.5x47简便计算
答
不对
应该是1250x0.037+0.125x160+12.5x4.7
=12.5x3.7+12.5x1.6+12.5x4.7
=12.5x(3.7+1.6+4.7)
=12.5x10
=125