7.3x10.2-0.73-0.73(简便计算)?
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原式=7.3ⅹ10.2-7.3x0.2
=7.3x(10.2-0.2)
=7.3ⅹ10
=73
=7.3x(10.2-0.2)
=7.3ⅹ10
=73
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7.3×10.2-0.73-0.73
=0.73×10.2-0.73-0.73
=0.73×(10.2-1-1)
=0.73×8.2
=5.986
=0.73×10.2-0.73-0.73
=0.73×(10.2-1-1)
=0.73×8.2
=5.986
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7.3x10.2-0.73-0.73
=0.73x10x10.2-0.73-0.73
=0.73x(102-1-1)
=0.73x100
=73
=0.73x10x10.2-0.73-0.73
=0.73x(102-1-1)
=0.73x100
=73
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解:
7.3×10.2-0.73-0.73
=0.73×102-0.73-0.73
=0.73×(102-1-1)
=0.73×100
=73
7.3×10.2-0.73-0.73
=0.73×102-0.73-0.73
=0.73×(102-1-1)
=0.73×100
=73
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7.3×10.2-0.73-0.73
=7.3×10.2-7.3×0.1-7.3×0.1
=7.3×(10.2-0.1-0.1)
=7.3×10
=73
=7.3×10.2-7.3×0.1-7.3×0.1
=7.3×(10.2-0.1-0.1)
=7.3×10
=73
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