8.67-(1.67-2.33)怎样算简便
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8.67-(1.67-2.33)怎样算简便8.67-(1.67-2.33)怎样算简便8.67-(1.67-2.33)怎样算简便=9.33=（8.67-1.67）+2.33=7+2.33
8.67-(1.67-2.33)怎样算简便
8.67-(1.67-2.33)怎样算简便
8.67-(1.67-2.33)怎样算简便
=9.33=（8.67-1.67）+2.33
=7+2.33