0.48×7.6+0.24×4.8用简便算法计算

分类: 作业答案 • 2021-12-29 16:49:07

问题描述：

答

0.48×7.6+0.24×4.8
=4.8*0.1*7.6+0.24×4.8
=4.8*0.76+0.24×4.8
=4.8*(0.76+0.24)
=4.8*1
=4.8