请问这些题怎么列算试?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/13 14:30:49
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请问这些题怎么列算试?
请问这些题怎么列算试?
请问这些题怎么列算试?
645-268-32
=645-(268+32)
=645-300
=345
466-(66+125)
=466-66-125
=400-125
=275
824-224-176-124
=(824-224)-(176+124)
=600-300
=300
521-64-36
=521-(64+36)
=521-100
=421
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