化简:根号56*96*189
人气:462 ℃ 时间:2020-01-09 08:02:14
解答
=√[(4*2*7)*(16*2*3)*(9*3*7)]
=√[(4*16*9)*(2*7*2*3*3*7)
=√[(2²*4²*3²)*(2²*3²*7²)]
=2*4*3*2*3*7
=1008
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