计算下列各式(1)log2(47×25)+log26-log23(2)3xy26 发布时间:2017-05-02 13:54 │ 来源:www.tikuol.com 题型:解答题 问题: 计算下列各式(1)log2(47×25)+log26-log23(2)3x y26x5 • 4y3(x>0,y>0)
题型:解答题 在梯形ABCD中,AD∥BC,AC与BD相交于O,如果AD∶BC=1∶3,那么下列结论正确的是 [ ]A.S△COD=9S△AODB.S△ABC=9S△ACDC.S△BOC=9S△AODD.S△DBC=9S△AOD 查看答案
题型:解答题 Although I am a good swimmer, I don't like()in the sea.A.swimB.swimmingC.to be swimmingD.to go to swim 查看答案