来自崔江波的问题
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)
1回答
2020-04-26 11:49
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