1编号:23598题型:单选题测试正确率:50.64%

下列计算结果正确的是()

2编号:23597题型:单选题测试正确率:47.13%

如果△ABC的三边a、b、c满足ac2-bc2=(a-b)(a2+b2),则△ABC的形状是()

3编号:23596题型:单选题测试正确率:47.78%

4编号:23595题型:单选题测试正确率:58.23%

5编号:23594题型:单选题测试正确率:46.2%

6编号:23593题型:单选题测试正确率:57.59%

7编号:23592题型:单选题测试正确率:62.34%

用平方差公式计算的结果是()

8编号:23591题型:单选题测试正确率:63.29%

9编号:23590题型:单选题测试正确率:68.67%

10编号:23589题型:单选题测试正确率:67.41%