1编号:131346题型:填空题测试正确率:0%
0.42:6=____:8
2编号:131345题型:填空题测试正确率:0%
2:3=____:81
3编号:131344题型:填空题测试正确率:0%
____:15=2.7:0.9
4编号:131343题型:填空题测试正确率:0%
0.24:____=0.8:0.3
5编号:131342题型:填空题测试正确率:0%
4:1=____:
6编号:116052题型:填空题测试正确率:0%
已知四条线段a,b,c,d是成比例线段,即,其中a=3 cm,b=2 cm,c=6 cm,则d=____cm.
7编号:17002题型:填空题测试正确率:89.21%
若,则 .
提醒: