65.3×0.67+6.53×3.3的简便运算怎么做
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65.3×0.67+6.53×3.3
=65.3×0.67+65.3×0.33
=65.3×(0.67+0.33)
=65.3×1
=65.3
=65.3×0.67+65.3×0.33
=65.3×(0.67+0.33)
=65.3×1
=65.3
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