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题型:单选题 题类:常考题 难易度:普通

新人教版数学七年级下册 第七章平面直角坐标系7.1.1有序数对同步练习

如下表所示,小聪家在A点,用(3,1)表示,小明家在B点,用(8,5)表示.若用(3,1)—(4,1)—(5,1)—(5,2)—(5,3)—(5,4)—(6,4)—(7,4)表示由A到B的一种走法,并规定从A到B只能向下或向右走.那么下面走法符合题意的有(    )

(1,1)

(2,1)

A(3,1)

(4,1)

(5,1)

(6,1)

(7,1)

(8,1)

(1,2)

(2,2)

(3,2)

(4,2)

(5,2)

(6,2)

(7,2)

(8,2)

(1,3)

(2,3)

(3,3)

(4,3)

(5,3)

(6,3)

(7,3)

(8,3)

(1,4)

(2,4)

(3,4)

(4, 4)

(5,4)

(6,4)

B(7,4)

(8,4)

(1,5)

(2,5)

(3,5)

(4,5)

(5,5)

(6,5)

(7,5)

(8,5)

(1,6)

(2,6)

(3,6)

(4,6)

(5,6)

(6,6)

(7,6)

(8,6)

A、(3,1)—(4,1)—(4,2)—(5,2)—(6,2)—(7,2)—(7,3)—(8,3) B、(3,1)—(4,1)—(5,1)—(6,1)—(7,1)—(7,2)—(7,3)—(7,4) C、(3,1)—(4,1)—(5,1)—(6,1)—(7,1)—(8,1)—(8,2)—(8,3)—(8,4)—(7,4) D、(3,1)—(4,1)—(5,1)—(6,1)—(6,2)—(6,3)—(6,4)—(6,5)—(7,5)—(7,4)
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