1/9-5/12×4/5÷3怎么用递等式算?

来源:学生作业学帮网 编辑:学帮网 时间:2024/07/02 17:22:20

1/9-5/12×4/5÷3怎么用递等式算?

1/9-5/12×4/5÷3
=1/9-1/3÷3
=1/9-1/3×1/3
=1/9-1/9
=0

原式=1/9-1/3÷3
=1/9-1/3×1/3
=1/9-1/9
=0