1编号:10215题型:单选题测试正确率:50.0%

2编号:10214题型:单选题测试正确率:50.0%

3编号:10213题型:单选题测试正确率:0.0%

若(x-y):(x+y)=3:5,则=()

4编号:10212题型:单选题测试正确率:50.0%

5编号:10211题型:单选题测试正确率:70.0%

若2x-3y与x+2y的比是3:4,则x:y的值是()

6编号:10210题型:单选题测试正确率:70.0%

7编号:10207题型:单选题测试正确率:51.61%

若2x-y与x+y的比是2:3,则的值是()

8编号:10206题型:单选题测试正确率:70.97%

9编号:10205题型:单选题测试正确率:58.06%

若x:(x+y)=3:5,则=()

10编号:10204题型:单选题测试正确率:66.3%

a、b、c是△ABC的三边,,且,则△ABC是()