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(2013•郑州)0.37×7.46+37×0.0454-3.7×0.2.
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(2013•郑州)0.37×7.46+37×0.0454-3.7×0.2.
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答案和解析
0.37×7.46+37×0.0454-3.7×0.2,
=0.37×7.46+0.37×4.54-0.37×2,
=0.37×(7.46+4.54-2),
=0.37×10,
=3.7.
=0.37×7.46+0.37×4.54-0.37×2,
=0.37×(7.46+4.54-2),
=0.37×10,
=3.7.
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