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- 1解方程.1.2X=7.2 X+1.5=10 4(X+2.4)=24.8 5X-4*9=24 0.81/X=0.9 6+4X=10
- 2若X满足3X-2分之X-1小于0化简根号下4-12X+9X的平方-根号下X的平方-2X+1
- 3写出三个含有写风的宋朝的诗词名句,并注名明作者
- 4read the sentence and guess the meaning of ''over the moon'' .
- 5the baby cried ____.A.harder and harder B.hardest and hardest C.more and more hard
- 6若P=a²+3ab+b²,Q=a²-3ab+b²,化简P-[Q-2P-（-P-Q）],是2P还是2P-2Q?
- 7用所给词的适当形式填空 what would she___(like)for breakfast?
- 8急..英语语法填空
- 9Never say good bye有哪些意思?
- 10等腰三角形ABC中，AB的长是AC的两倍，如果其周长是200厘米，那么BC长是_厘米．