2又1/5×(1/3-1/2)×3/11÷1又4/5
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/14 01:11:42
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2又1/5×(1/3-1/2)×3/11÷1又4/5
2又1/5×(1/3-1/2)×3/11÷1又4/5
2又1/5×(1/3-1/2)×3/11÷1又4/5
2又1/5×(1/3-1/2)×3/11÷1又4/5
= 11/5 x ( -1/6) x 3/11 x 5/9
= ( -1/6) x 1/3
= - 18分之1
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