作业帮[﹙﹣9/14﹚－1又5/7+8/21]÷﹙﹣1/42﹚
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/04 15:52:58
![[﹙﹣9/14﹚－1又5/7+8/21]÷﹙﹣1/42﹚](/uploads/image/z/4112514-18-4.jpg?t=%5B%EF%B9%99%EF%B9%A39%2F14%EF%B9%9A%EF%BC%8D1%E5%8F%885%2F7%2B8%2F21%5D%C3%B7%EF%B9%99%EF%B9%A31%2F42%EF%B9%9A)
[﹙﹣9/14﹚－1又5/7+8/21]÷﹙﹣1/42﹚
[﹙﹣9/14﹚－1又5/7+8/21]÷﹙﹣1/42﹚
[﹙﹣9/14﹚－1又5/7+8/21]÷﹙﹣1/42﹚
[﹙﹣9/14﹚－1又5/7+8/21]÷﹙﹣1/42﹚
=[﹙﹣9/14﹚－1又5/7+8/21]×(-42)
=﹙﹣9/14﹚×(-42)-1又5/7×(-42)+8/21×(-42)
=27+72-16
=83