八分之七-(八分之七减七分之四)
=7/8-7/8+4/7
=4/7
猜你喜欢
- 1_________they will go camping tomorrow depends on the weather.用THAT .还是 Whether
- 2根据句意,用下面的词语,用适当的形式填空.
- 3急求送东阳马生序的重要解词
- 4如图所示,两个灯泡始终完好,当开关S断开时,两个灯泡都发光,当开关S闭合时,可能出现的现象是( ) A.L1不亮,L2亮 B.L1和L2都亮 C.L2不亮,L1亮 D.L1和L2都不亮
- 5仿照例句写句子:例:we / have / a / picnic We are going to have a picnic.
- 6如图,面积为12cm2的△ABC沿BC方向平移至△DEF位置,平移的距离是边BC长的两倍,则图中的四边形ACED的面积是_cm2.
- 7What is the value of biology,and what are some associated biological problems?
- 8在三角形ABC中,角A=60度,b=1,三角形ABC的面积=根号3,则 a+b+c/sinA+sinB+sinC=?
- 9格林一家人都很开心的英语怎么说
- 10He wants the green sweater.(对green提问)