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用简便方法计算:5.6×0.38+0.56×4.7+0.056×15.
题目详情
用简便方法计算:
5.6×0.38+0.56×4.7+0.056×15.
5.6×0.38+0.56×4.7+0.056×15.
▼优质解答
答案和解析
5.6×0.38+0.56×4.7+0.056×15,
=0.56×3.8+0.56×4.7+0.56×1.5,
=0.56×(3.8+4.7+1.5),
=0.56×10,
=5.6;
=0.56×3.8+0.56×4.7+0.56×1.5,
=0.56×(3.8+4.7+1.5),
=0.56×10,
=5.6;
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