问题:
计算:
(1) 3
3
+2
3
+
16
+
3
-8
(2)(3x-2) 2-(2x+4)(2x-4)
(3)[8ab 2(abc) 4-4a 3b 3c]÷2abc.
计算:
(1) 3
+2
+
+
(2)(3x-2) 2-(2x+4)(2x-4)
(3)[8ab 2(abc) 4-4a 3b 3c]÷2abc.
(1) 3
3 |
3 |
16 |
3 | -8 |
(2)(3x-2) 2-(2x+4)(2x-4)
(3)[8ab 2(abc) 4-4a 3b 3c]÷2abc.
参考答案: