2.25×0.26+264×0.0225+5.2×2.25+0.225+0.225×20=_．

分类: 作业答案 • 2022-01-09 18:03:27

问题描述：

2.25×0.26+264×0.0225+5.2×2.25+0.225+0.225×20=______．

答

2.25×0.16+264×0.0225+5.2×2.25+0.225×20
=2.25×0.16+2.64×2.25+5.2×2.25+2.25×2
=2.25×（0.16+2.64+5.2+2）
=2.25×10
=22.5
故答案为：22.5．