12*222.2-666.6+0.25*0.25*80简算
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![12*222.2-666.6+0.25*0.25*80简算](/uploads/image/z/956289-57-9.jpg?t=12%2A222.2-666.6%2B0.25%2A0.25%2A80%E7%AE%80%E7%AE%97)
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12*222.2-666.6+0.25*0.25*80简算
12*222.2-666.6+0.25*0.25*80简算
12*222.2-666.6+0.25*0.25*80简算
12*222.2-666.6+0.25*0.25*80
=222.2*(12-3)+80/(4*4)
=222.2*9+5
=2222-222.2+5
=2 004.8
12*222.2-666.6+0.25*0.25*80
=4*666.6-666.6+0.25*4*0.25*4*5
=(4-1)*666.6+5
=3*666.6+5
=1999.8+5
=2004.8
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