26/4-(4/9+13/4)等于多少？
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加减法属于同级运算
26/4和13/4是同分母所以拆开括号先计算
26/4-(4/9+13/4)
=26/4-13/4-4/9
=13/4-4/9
然后通分计算就好
=117/36-16/36
=101/36
2又29/36
26/4和13/4是同分母所以拆开括号先计算
26/4-(4/9+13/4)
=26/4-13/4-4/9
=13/4-4/9
然后通分计算就好
=117/36-16/36
=101/36
2又29/36
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26/4-(4/9+13/4)
=26/4-4/9-13/4
=26/4-13/4-4/9
=13/4-4/9
=3 1/4-4/9
=3 (9-4)/36
=3 5/36
=26/4-4/9-13/4
=26/4-13/4-4/9
=13/4-4/9
=3 1/4-4/9
=3 (9-4)/36
=3 5/36
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=26/4-4/9-13/4
=26/4-13/4-4/9
=13/4-4/9
=+3+1/4-4/9
=3+9/36-16/36
=3-7/36
=2又29/36
=26/4-13/4-4/9
=13/4-4/9
=+3+1/4-4/9
=3+9/36-16/36
=3-7/36
=2又29/36
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26/4-（4/9+13/4）
=26/4-4/9-13/4
=26/4-13/4-4/9
=13/4-4/9
=117/36-16/36
=101/36
=26/4-4/9-13/4
=26/4-13/4-4/9
=13/4-4/9
=117/36-16/36
=101/36
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