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- 1lg(x-4y)+lg(x+y)=lg2+lgx+lgy
- 2They were very big and strong.Some of them liked eating meat and some of them liked eating grass.
- 3在括号里填上“看”的近义词(二字成语)1.爸爸( )车窗外的白杨树,陷入了沉思.2.爸爸(
- 4A,B两地相距20km,甲,乙两地同时从A地出发开往B地,途中乙出现故障,2h后乙车排除故障,以原速前进,结果甲、乙两车同时到达,已知乙车速度是甲车的2倍,求甲、乙两车的速度.
- 5根据生活经验,对代数式a/52%做出解释
- 6在课内外的探究活动中,我们常常有“站得高望得远”的感慨,请你用学过的一句故事来表达.
- 7小学四年级数学一课三练23页第五题答案
- 8△ABC中,F是AC的中点,D、E三等分BC、BF与AD、AE分别交于P、Q,则BP:PQ:QF=( ) A.5:3:2 B.3:2:1 C.4:3:1 D.4:3:2
- 9与朱元思书 作者从哪两种状态描写了富春江水怎样的特点
- 10Could we have_______bread,please?---Sorry,we have ________.A.some;none B.some; no C.any; none