﹣1/3+1又1/2-2又5/61又3/4-2又1/6+3又2/3
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/10 14:31:43
![﹣1/3+1又1/2-2又5/61又3/4-2又1/6+3又2/3](/uploads/image/z/3998669-5-9.jpg?t=%EF%B9%A31%2F3%EF%BC%8B1%E5%8F%881%2F2%EF%BC%8D2%E5%8F%885%2F61%E5%8F%883%2F4%EF%BC%8D2%E5%8F%881%2F6%EF%BC%8B3%E5%8F%882%2F3)
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﹣1/3+1又1/2-2又5/61又3/4-2又1/6+3又2/3
﹣1/3+1又1/2-2又5/6
1又3/4-2又1/6+3又2/3
﹣1/3+1又1/2-2又5/61又3/4-2又1/6+3又2/3
(1)-1/3+3/2-17/6
=-2/6+9/6-17/6
=(-2+9-17)/6
=-10/6
=-5/3
(2)7/4-13/6+11/3
=21/12-26/12+44/12
=(21-26+44)/12
=39/12
=13/4