200.6×7.8+200.6×2.2和0.26×5×0.2的简便算法
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 19:57:52
![200.6×7.8+200.6×2.2和0.26×5×0.2的简便算法](/uploads/image/z/1584478-46-8.jpg?t=200.6%C3%977.8%EF%BC%8B200.6%C3%972.2%E5%92%8C0.26%C3%975%C3%970.2%E7%9A%84%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%95)
200.6×7.8+200.6×2.2和0.26×5×0.2的简便算法
200.6×7.8+200.6×2.2和0.26×5×0.2的简便算法
200.6×7.8+200.6×2.2和0.26×5×0.2的简便算法
200.6×7.8+200.6×2.2
=(7.8+2.2)×200.6
=10×200.6
=2006
0.26×5×0.2
=0.26×(5×0.2)
=0.26×1
=0.26