一道数学巧算题46.2×0.59+462×0.59-4.62(要巧算)

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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

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