作业帮1÷[（-2）×0.5-（-2.24）÷（-2）]-1又7/8
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/06 07:23:43
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1÷[（-2）×0.5-（-2.24）÷（-2）]-1又7/8
1÷[（-2）×0.5-（-2.24）÷（-2）]-1又7/8
1÷[（-2）×0.5-（-2.24）÷（-2）]-1又7/8