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101×26.9-1.25×2.69×0.8
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101×26.9-1.25×2.69×0.8
=101×26.9-(1.25×0.8)×2.69
=101×26.9-1×2.69
=101×26.9-0.1×26.9
=(101-0.1)×26.9
=100.9×26.9
=2714.21
=101×26.9-(1.25×0.8)×2.69
=101×26.9-1×2.69
=101×26.9-0.1×26.9
=(101-0.1)×26.9
=100.9×26.9
=2714.21
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