2道SAT数学题...At a basketball tournament involving 8 teams,each team played 4 games with each of the other teams.How many games were played at this tournament?The lengths of two sides of a triangle are (x-2)and (x+2),where x>2.Which of the follo

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2道SAT数学题...Atabasketballtournamentinvolving8teams,eachteamplayed4gameswitheachoftheotherteams.Howman

2道SAT数学题...At a basketball tournament involving 8 teams,each team played 4 games with each of the other teams.How many games were played at this tournament?The lengths of two sides of a triangle are (x-2)and (x+2),where x>2.Which of the follo
2道SAT数学题...
At a basketball tournament involving 8 teams,each team played 4 games with each of the other teams.How many games were played at this tournament?
The lengths of two sides of a triangle are (x-2)and (x+2),where x>2.Which of the following ranges includes all and only the possible values of the third side
A 4

2道SAT数学题...At a basketball tournament involving 8 teams,each team played 4 games with each of the other teams.How many games were played at this tournament?The lengths of two sides of a triangle are (x-2)and (x+2),where x>2.Which of the follo
第一题：（7+6+5+4+3+2+1）*4=112
第二题：第三边一定要小于两边的和,大于两边的差的绝对值
所以(x-2)+(x+2)>y
(x-2)-(x+2)

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