搜狗做题网A：1______areyou2_______?
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A：1______areyou2_______?
B:l'm going tothe bookstore.
A:How can you3_______there?
B:l want to 4________the No.11 bus.Oh,by the way,where's the bus shop?
A:Go 5_________to the traffic light and 6________left 7________thecorner.
B:l'm going tothe bookstore.
A:How can you3_______there?
B:l want to 4________the No.11 bus.Oh,by the way,where's the bus shop?
A:Go 5_________to the traffic light and 6________left 7________thecorner.
1where
2going
3reach
4take
5straight
6turn
7to
2going
3reach
4take
5straight
6turn
7to
A：1______areyou2_______?
(a 1)(a 2)(a 3)(a
若a+1a
化简：(a+1)(a
已知a+1a
a/a-1÷（a-a/2a-1)
a(a-1)(a-2)(a-3)(a-4)因式分解
【1】a+a=a×a a= [ ]【2】a×a=a÷a a=[ ]【3】a×a=a－a a=[ ] [4]a－a=a＋a
(a²+a+1-a³/a-1)×(1+a-4a/1+a)
化简3a×a×a+12a×a-6a-12 a=根号7-1
9-a²/a²+6a+9÷a²-3a/a+1/a
1+a+a(a+1)+a(a+1)平方=(1+a)[1+a+a(a+1)]=(1+a)平方(1+a)=(1+a)立方