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Do you have a ping-pong ball?yes.I have an orange (
人气:234 ℃ 时间:2019-10-24 09:55:04
解答
one
one 在这里代替前面提到的 ping-pong ball
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Do you have a ping-pong bat.Yes,l do./No
给下列句子标上升降调 Do you have a ping-pong ( ) bat?( ) Yes ,I ( ) do.I have a ping-pong ( ) bat.
Do you have ping-pong ball?do为A,you为B,have 为C,ping-pong为D.改错.
用所给单词的适当形式填空 1.------you------[have]a ping-pong bat?Yes,I do.
I have a ping-pong ball.
解不等式:2X-1>(10X+1)除以6
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已知数列{an}、{bn}满足a1=b1=6,a2=b2=4,a3=b3=3,且{an+1-an}(n∈Z)是等差数列,{bn-2}(n∈Z)是等比数列. (1)求数列{bn}的通项公式; (2)求数列{an}的通项公式; (3)是否存在k
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