5-13分之6×9分之26+3分之二的简便计算是什么?
4个回答
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解:依题意得,简便计算方法如下
5-6/13×26/9+2/3
=5-2×2/3+2/3
=5-4/3+2/3
=5-(4/3-2/3)
=5-2/3
=4又1/3
5-6/13×26/9+2/3
=5-2×2/3+2/3
=5-4/3+2/3
=5-(4/3-2/3)
=5-2/3
=4又1/3
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5-13分之6×9分之26+3分之二的简便计算是什么?
=5-6/13×26/9+2/3
=5-4/3+2/3
=5-2/3
=15/3-2/3
=13/3
望采纳 谢谢~~
=5-6/13×26/9+2/3
=5-4/3+2/3
=5-2/3
=15/3-2/3
=13/3
望采纳 谢谢~~
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分数题目,主要就是通分
具体计算解答过程所示
5-6/13×26/9+2/3
=5-6×2/9+2/3
=5-2×2/3+2/3
=5-4/3+2/3
=5-2/3
=4+1/3
=4又1/3
具体计算解答过程所示
5-6/13×26/9+2/3
=5-6×2/9+2/3
=5-2×2/3+2/3
=5-4/3+2/3
=5-2/3
=4+1/3
=4又1/3
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5-6/13×26/9+2/3
=5-6/9×26/13+2/3
=5-2/3×2+2/3
=5-2/3×(2-1)
=5-2/3
=15/3-2/3
=13/3
=4又1/3
=5-6/9×26/13+2/3
=5-2/3×2+2/3
=5-2/3×(2-1)
=5-2/3
=15/3-2/3
=13/3
=4又1/3
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