(0.39*0.7)/(0.56*3.9)怎样简算(0.39*0.7)/(0.56*3.9)这咋简算啊,我移位也错了,乱七八糟的啦

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(0.39*0.7)/(0.56*3.9)怎样简算(0.39*0.7)/(0.56*3.9)这咋简算啊,我移位也错了,乱七八糟的啦(0.39*0.7)/(0.56*3.9)怎样简算(0.39*0.7)

(0.39*0.7)/(0.56*3.9)怎样简算(0.39*0.7)/(0.56*3.9)这咋简算啊,我移位也错了,乱七八糟的啦
(0.39*0.7)/(0.56*3.9)怎样简算
(0.39*0.7)/(0.56*3.9)这咋简算啊,我移位也错了,乱七八糟的啦

(0.39*0.7)/(0.56*3.9)怎样简算(0.39*0.7)/(0.56*3.9)这咋简算啊,我移位也错了,乱七八糟的啦
(0.39*0.7)/(0.56*3.9)
=(0.39*0.7)/(0.7*0.8*0.39*10)
=1/(0.8*10)
=1/8