999.999÷666.666 怎样简算?
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999.999÷666.666怎样简算?999.999÷666.666怎样简算?999.999÷666.666怎样简算?999.999÷666.666=111·111×9÷(111·111×6)=11
999.999÷666.666 怎样简算?
999.999÷666.666 怎样简算?
999.999÷666.666 怎样简算?
999.999÷666.666
=111·111×9÷(111·111×6)
=111·111÷111·111×(9÷6)
=9/6
=3/2