10-9.66+5.66怎样简便计算?
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10-9.66+5.66怎样简便计算?10-9.66+5.66怎样简便计算?10-9.66+5.66怎样简便计算?10-(9.66-5.66)=10-4=6=10-(9.66-5.66)=10-4=6
10-9.66+5.66怎样简便计算?
10-9.66+5.66怎样简便计算?
10-9.66+5.66怎样简便计算?
10-(9.66-5.66)
=10-4
=6
=10-(9.66-5.66)
=10-4
=6
10-9.66+5.66=10-(9.66-5.66)=10-4=6