0.00...045(10个0)÷0.09(10个0)=

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0.00...045(10个0)÷0.09(10个0)=

0.00...045(10个0)÷0.09(10个0)=
0.00...045(10个0)÷0.09(10个0)=

0.00...045(10个0)÷0.09(10个0)=
0.00... 045(10个0)÷0.09(10个0)=0.5