1.28x0.29-0.29x0.28简便计算.
问题描述:
1.28x0.29-0.29x0.28简便计算.
答
原式=0.29(1.28-0.28)
=0.29×1
=0.29
1.28x0.29-0.29x0.28简便计算.
原式=0.29(1.28-0.28)
=0.29×1
=0.29