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计算:28.67x67+3.2x286.7+573.4x0.05=?这是育苗杯的试题~~~急
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28.67x67+3.2x286.7+573.4x0.05
=28.67x67+32x28.67+28.67x0.05*20
=28.67x(67+32+1)
=2867
=28.67x67+32x28.67+28.67x0.05*20
=28.67x(67+32+1)
=2867
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