
1/6+(5/6-2/9)等于多少?
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解:1/6+(5/6-2/9)等于( 7/9 )
∵已知需求出1/6+(5/6-2/9)等于多少
∴1/6+(5/6-2/9)
= 1/6 + 5/6 - 2/9
= 6/6 - 2/9
= 1 - 2/9
= 9/9 - 2/9
= (9-2)/9
= 7/9
答:1/6+(5/6-2/9)等于7/9
∵已知需求出1/6+(5/6-2/9)等于多少
∴1/6+(5/6-2/9)
= 1/6 + 5/6 - 2/9
= 6/6 - 2/9
= 1 - 2/9
= 9/9 - 2/9
= (9-2)/9
= 7/9
答:1/6+(5/6-2/9)等于7/9
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