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666.66乘7778+333.33乘4444
人气：339 ℃　时间：2020-03-28 11:15:02
解答
666.66*7778+333.33*4444
=666.66*7778+333.33*(2*2222)
=666.66*7778+(333.33*2)*2222
=666.66*7778+666.66*2222
=666.66*(7778+2222)
=666.66*10000
=6666600
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