1.0.16x²-0.09y²z² 2.(a+2b)²-(a-2b)² 3.-4x² +(2x-3y) 4.16(x-1)²-9(x+2)²

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/18 00:47:37

1.0.16x²-0.09y²z² 2.(a+2b)²-(a-2b)² 3.-4x² +(2x-3y) 4.16(x-1)²-9(x+2)²
1.0.16x²-0.09y²z² 2.(a+2b)²-(a-2b)² 3.-4x² +(2x-3y) 4.16(x-1)²-9(x+2)²

1.0.16x²-0.09y²z² 2.(a+2b)²-(a-2b)² 3.-4x² +(2x-3y) 4.16(x-1)²-9(x+2)²