2012×27+201.2×3.8-1006×52.76简便计算
问题描述:
2012×27+201.2×3.8-1006×52.76简便计算
答
2012×27+201.2×3.8-1006×52.76
=1006×54+1006×0.76-1006×52.76
=1006×(54+0.76-52.76)
=1006×2
=2012