
41又1/3x3/4+51又1/4x4/5+61又1/5X5/6的用简便方法计算?
3个回答
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41又1/3x3/4+51又1/4x4/5+61又1/5X5/6
=(41+1/3)3/4+(51+1/4)4/5+(61+1/5)5/6
=123/4+1/4+204/5+1/5+305/6+1/6
=124/4+205/5+306/6
=31+41+51
=123
=(41+1/3)3/4+(51+1/4)4/5+(61+1/5)5/6
=123/4+1/4+204/5+1/5+305/6+1/6
=124/4+205/5+306/6
=31+41+51
=123
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