绮惧搧
K12
鏁欒偛鏁欏璧勬枡
绮惧搧
K12
鏁欒偛鏁欏璧勬枡
鏁村紡
涓�銆侀�夋嫨棰?/p>
1.
涓嬪垪杩愮畻涓紝姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A.x
3
+x
3
=x
6
B.x
3
路x
9
=x
27
C.(x
2
)
3
=x
5
D.x
x
2
=x
锛?/p>
1
2.
璁＄畻
缁撴灉姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A.
B.
C.
D.
3.
涓嬪垪鍚勫紡鑳界敤骞虫柟宸叕寮忚绠楃殑鏄紙
锛?/p>
A.
B.
C.
D.
4.
璁＄畻锛?/p>
a-3
锛?/p>
2
鐨勭粨鏋滄槸锛?/p>
锛?/p>
A.
a
2
+9
B.
a
2
+6a+9
C.
a
2
-6a+9
D.
a
2
-9
5.
濡傚浘锛?/p>
4
鍧楀畬鍏ㄧ浉鍚岀殑闀挎柟褰㈠洿鎴愪竴涓鏂瑰舰
.
鍥句腑闃村奖閮ㄥ垎鐨勯潰绉彲浠ョ敤涓嶅悓鐨勪唬鏁板紡杩涜琛ㄧず锛岀敱
姝よ兘楠岃瘉鐨勭瓑寮忔槸锛?/p>
锛?/p>
A.
B.
C.
D.
6.
涓嬪垪鍥涗釜寮忓瓙
:
鈶?/p>
4x
2
y
5
梅
xy=xy
4
;鈶?6a
6
b
4
c梅8a
3
b
2
=2a
2
b
2
c;鈶?x
8
y
2
梅3x
2
y=3x
6
y;鈶?1
2m
3
+8m
2
-
4m)梅(
-2m)=-6m
2
+4m-2.
鍏朵腑
姝ｇ‘鐨勬湁
(
)