来自何亚银的问题
【解答题:(1)计算|-3|-(5-π)0+(14)-1+(-1)3(2)因式分解:m2(m-1)+4(1-m)(3)化简(a+1)2-2(a+1)(a-1)+(a+2)(a-1)(4)解方程组x−y=32y+3(x−y)=11(5)解不等式组x−4≥3(x−2)】
解答题:
(1)计算|-3|-(
5-π)0+(14)-1+(-1)3
(2)因式分解:m2(m-1)+4(1-m)
(3)化简(a+1)2-2(a+1)(a-1)+(a+2)(a-1)
(4)解方程组
x−y=32y+3(x−y)=11
(5)解不等式组
x−4≥3(x−2)2x+13>−1并把解集在数轴上表示出来.
1回答
2020-01-16 16:31