23/132除以69/144-4/154除以21/126

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/20 15:11:58
23/132除以69/144-4/154除以21/12623/132除以69/144-4/154除以21/12623/132除以69/144-4/154除以21/12623/132÷69/144-4/

23/132除以69/144-4/154除以21/126
23/132除以69/144-4/154除以21/126

23/132除以69/144-4/154除以21/126
23/132÷69/144-4/154÷21/126
=4/11-12/77
=16/77