-2²÷4/9+|-7|-3×(-1/3)

来源：学生作业帮助网编辑：六六作业网时间：2024/12/26 21:35:23

-2²÷4/9+|-7|-3×(-1/3)-2²÷4/9+|-7|-3×(-1/3)-2²÷4/9+|-7|-3×(-1/3)-2²÷4/9+|-7|-3×(-

-2²÷4/9+|-7|-3×(-1/3)
-2²÷4/9+|-7|-3×(-1/3)

-2²÷4/9+|-7|-3×(-1/3)
-2²÷4/9+|-7|-3×(-1/3)
=-4*9/4+7+1
=-9+8
=-1