鍥惧舰鐨勭浉浼?/p>
鐭ヨ瘑鐐?/p>
1
姣斾緥鐨勬�ц川
涓�銆佸崟閫夐
1.
宸茬煡
5
3
x
2
飥?/p>
锛?/p>
閭ｄ箞
鐨勫�兼槸
A .
B .
C .
D .
2.
宸茬煡
3x=4y(xy鈮?)
锛屽垯涓嬪垪姣斾緥寮忔垚绔嬬殑鏄?/p>
(
)
3.
涓嶄负
0
鐨勫洓涓疄鏁?/p>
a
銆?/p>
b
锛?/p>
c
銆?/p>
d
婊¤冻
锛屾敼鍐欐垚姣斾緥寮忛敊璇殑鏄紙
锛?/p>
A .
B .
C .
D .
4.
濡傛灉
锛岄偅涔?/p>
鐨勫�兼槸锛?/p>
锛?/p>
.
A .
B .
C .
D .
5.
鑻?
y
3
x
2
飥?/p>
锛屽垯涓嬪垪鍚勫紡涓嶆垚绔嬬殑鏄紙
锛?/p>
6.
鑻?/p>
=
锛?/p>
鍒?/p>
2
x
y
x
y
飥?/p>
飥?/p>
鐨勫�间负锛?/p>
锛?/p>
A .
B .
C . 1
D .
7.
宸茬煡
2x=3y
锛?/p>
xy鈮?
锛?/p>
锛屽垯涓嬪垪鍚勫紡涓敊璇殑鏄紙
锛?/p>
8.
宸茬煡
=
锛?
a-b
a+b
鍒欑殑鍊兼槸锛?/p>
锛?/p>
A . -
B . -
C . -
D . -
9.
鑻?/p>
a
3
5
b
飥?/p>
锛屽垯
a+b
b
鐨勫�间负锛?/p>
锛?/p>