5.71×62+571×0.17-57.1×3.3简便计算?
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回答:
5.71×62+571×0.17-57.1×3.3
=5.71×62+571×0.01×17-57.1×0.1×33
=5.71×(62+17-33)
=5.71×46
=5.71×2×23
=11.42×23
=11.42×(20+3)
=11.42×20+11.42×3
=228.4+34.26
=262.66
5.71×62+571×0.17-57.1×3.3
=5.71×62+571×0.01×17-57.1×0.1×33
=5.71×(62+17-33)
=5.71×46
=5.71×2×23
=11.42×23
=11.42×(20+3)
=11.42×20+11.42×3
=228.4+34.26
=262.66
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5.71×62+571×0.17-57.1×3.3
=5.71×62+5.71×17-5.71×33
=5.71(62+17-33)
=5.71x46
=5.71(50-4)
=285.5-22.84
=262.66
=5.71×62+5.71×17-5.71×33
=5.71(62+17-33)
=5.71x46
=5.71(50-4)
=285.5-22.84
=262.66
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5.71×62+571×0.17-57.1×3.3
=57.1×6.2+57.1×1.7-57.1×3.3
=57.1×(6.2+1.7-3.3)
=57.1×4.6
=57.1×6.2+57.1×1.7-57.1×3.3
=57.1×(6.2+1.7-3.3)
=57.1×4.6
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5.71x62+571ⅹ0.17一57.1x3.3
=5.71x62+5.71x17一5.71x33
=5.71x(62+17一33)
=5.71x46
=262.66。
=5.71x62+5.71x17一5.71x33
=5.71x(62+17一33)
=5.71x46
=262.66。
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