1樓:匿名使用者
5又5/9÷10/11+3又4/9×1.1=5又5/9x11/10+3又4/9×1.1=5又5/9x1.1+3又4/9×1.1
=1.1x(50/9+31/9)
=1.1x81/9
=1.1x9
=9.9
2樓:匿名使用者
(5又5/9+3又4/9)×11/10
7/10×5/9+3又1/4÷13/6能簡便就簡便運算?
3樓:妙酒
=7/18+13/4÷13/6
=7/18+3/2
=7/18+27/18
=22/9
5/6×4/9÷10/3+7/3怎樣簡便運算
4樓:瀛洲煙雨
=10/27×3/10+7/3
=1/9+7/3
=1/9+21/9
=22/9
(1又5/99+3又5/33+9又5/11)÷(1又1/99+3又1/33+9又1/11)
5樓:我不是他舅
(1又5/99+
3又5/33+9又5/11)÷(1又1/99+3又1/33+9又1/11)
=(104/99+104/33+104/11)÷(100/99+100/33+100/11)
=[104×(1/99+1/33+1/11)]÷[100×(1/99+1/33+1/11)]
=104÷100
=1又1/25
6樓:
(1+5/99+3+5/33+9+5/11)/(1+1/99+3+1/33+9+1/11)
=(13+65/99)/(13+13/99)=(13*99+65)/(13*99+13)=26/25
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