作业帮666.66×6666.7+99999×22.222怎么算
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666.66×6666.7+99999×22.222怎么算
666.66×6666.7+99999×22.222怎么算
666.66×6666.7+99999×22.222怎么算
666.66×6666.7+99999×22.222
=666.66×6666.7-22.222+100000*22.222
=30*22.222*6666.7-22.222+100000*22.222
=30*6666.7*22.222-22.222+100000*22.222
=(200001-1)*22.222+100000*22.222
=300000*22.222
=6666600
666.66×6666.7+99999×22.222怎么算
666.66×6666.7+99999×22.222怎么算
简便运算666.66*6666.7+99999*22.222
666.66*666.7+99999*22.222求大侠
666.66×7778+333.33×4444
99999*99999+199999简算
99999*99999+199999简便
99999×99999(简便计算)
666.66乘7778+333.33乘4444
99999-----是什么意思
887.%^^^?@@@99999@@@!
9999*99999
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