(1) 3a(2a²-4a+3)-2a(3a+4),其中a=-2 (2) (a-3b(1) 3a(2a²-4a+3)-2a(3a+4),其中a=-2(2) (a-3b²)+(3a+b)²-(a+5b)²+(a-5b)²,其中a=-8,b=-6 先化简,再求值.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/09 00:59:23
![(1) 3a(2a²-4a+3)-2a(3a+4),其中a=-2 (2) (a-3b(1) 3a(2a²-4a+3)-2a(3a+4),其中a=-2(2) (a-3b²)+(3a+b)²-(a+5b)²+(a-5b)²,其中a=-8,b=-6 先化简,再求值.](/uploads/image/z/1255073-41-3.jpg?t=%281%29+3a%282a%26%23178%3B-4a%2B3%29-2a%283a%2B4%29%2C%E5%85%B6%E4%B8%ADa%3D-2+%282%29+%28a-3b%281%29++++3a%282a%26%23178%3B-4a%2B3%29-2a%283a%2B4%29%2C%E5%85%B6%E4%B8%ADa%3D-2%282%29+++++%28a-3b%26%23178%3B%29%2B%283a%2Bb%29%26%23178%3B-%28a%2B5b%29%26%23178%3B%2B%28a-5b%29%26%23178%3B%2C%E5%85%B6%E4%B8%ADa%3D-8%2Cb%3D-6++%E5%85%88%E5%8C%96%E7%AE%80%2C%E5%86%8D%E6%B1%82%E5%80%BC.)
x)0T0N0JTS645I65J0N6yںɎF
F
I -@@.& k(J҄jH6q):If
O[;L{Ai[ﳍMO$ >b}@MM';a?@wm~:gb_\$ Ħ
(1) 3a(2a²-4a+3)-2a(3a+4),其中a=-2 (2) (a-3b(1) 3a(2a²-4a+3)-2a(3a+4),其中a=-2(2) (a-3b²)+(3a+b)²-(a+5b)²+(a-5b)²,其中a=-8,b=-6 先化简,再求值.
(1) 3a(2a²-4a+3)-2a(3a+4),其中a=-2 (2) (a-3b
(1) 3a(2a²-4a+3)-2a(3a+4),其中a=-2
(2) (a-3b²)+(3a+b)²-(a+5b)²+(a-5b)²,其中a=-8,b=-6
先化简,再求值.
(1) 3a(2a²-4a+3)-2a(3a+4),其中a=-2 (2) (a-3b(1) 3a(2a²-4a+3)-2a(3a+4),其中a=-2(2) (a-3b²)+(3a+b)²-(a+5b)²+(a-5b)²,其中a=-8,b=-6 先化简,再求值.
先采纳在回答