计算:4.25×5.24+1.52×2.51
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 12:22:57
![计算:4.25×5.24+1.52×2.51](/uploads/image/z/32780-20-0.jpg?t=%E8%AE%A1%E7%AE%97%EF%BC%9A4.25%C3%975.24%EF%BC%8B1.52%C3%972.51)
计算:4.25×5.24+1.52×2.51
计算:4.25×5.24+1.52×2.51
计算:4.25×5.24+1.52×2.51
分析,
4.25×5.24+1.52×2.51
=(4+0.25)×(5+0.24)+(1+0.52)×(2+0.51)
=20+0.96+1.25+0.06+(2+0.51+1.04+0.2652)
=22+3.82+0.2652
=26.0852
只能这样算了,没有更简便的算法.
从左到右,先乘后加