用简便方法计算:5.6×0.38+0.56×4.7+0.056×15
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用简便方法计算:5.6×0.38+0.56×4.7+0.056×15
用简便方法计算:5.6×0.38+0.56×4.7+0.056×15
用简便方法计算:5.6×0.38+0.56×4.7+0.056×15
0.56x(3.8+4.7+1.5)=0.56x10=5.6