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1编号:83129题型:单选题测试正确率:0%

2编号:83128题型:单选题测试正确率:0%

3编号:83118题型:单选题测试正确率:0%

4编号:83116题型:单选题测试正确率:0%

5编号:83113题型:单选题测试正确率:0%

6编号:83112题型:单选题测试正确率:0%

7编号:83082题型:单选题测试正确率:0%

(1)计算:若a,b互为相反数,c,d互为倒数,则代数式的值为(    )

8编号:81605题型:单选题测试正确率:0%

计算的结果为(    )

9编号:80376题型:单选题测试正确率:0%

化简的结果为(    )

10编号:78674题型:单选题测试正确率:0%

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