一道数学巧算题46.2×0.59+462×0.59-4.62(要巧算)
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/25 06:18:30
一道数学巧算题46.2×0.59+462×0.59-4.62(要巧算)
一道数学巧算题
46.2×0.59+462×0.59-4.62
(要巧算)
一道数学巧算题46.2×0.59+462×0.59-4.62(要巧算)
=4.62(5.9+59-1)
=4.62*63.9
一道数学巧算题46.2×0.59+462×0.59-4.62(要巧算)
一道数学巧算题
46.2×0.59+462×0.59-4.62
(要巧算)
一道数学巧算题46.2×0.59+462×0.59-4.62(要巧算)
=4.62(5.9+59-1)
=4.62*63.9