台湾商城网站:拜托教1下我 数学题
来源:百度文库 编辑:查人人中国名人网 时间:2024/10/05 09:04:46
1.
0.01x+0.3/0.5y-0.01 = ( ) / 50y-1
2.
x-2/(x-4)(5-x) = ( )/(x-4)(x-5)
3.
abc/(a-b)(b-c)(c-a)= -abc/ (a-b)( )(a-c)
4.
a + 0.75b/0.5a - b = 4a + 3b/ ( )
5. a^3 - b^3/a^2 - b^2 =___________
6. a^n+1 ÷ a^n-1 = ___________
7.(- 3/2 a^4 b^3 c^2 ) ÷ 1/3 a^2 b = ___________
8. -6 a^2 b ÷(-6 a^2 b) = ________
0.01x+0.3/0.5y-0.01 = ( ) / 50y-1
2.
x-2/(x-4)(5-x) = ( )/(x-4)(x-5)
3.
abc/(a-b)(b-c)(c-a)= -abc/ (a-b)( )(a-c)
4.
a + 0.75b/0.5a - b = 4a + 3b/ ( )
5. a^3 - b^3/a^2 - b^2 =___________
6. a^n+1 ÷ a^n-1 = ___________
7.(- 3/2 a^4 b^3 c^2 ) ÷ 1/3 a^2 b = ___________
8. -6 a^2 b ÷(-6 a^2 b) = ________
悬赏分:100- 离问题结束还有 14 天 10 小时
1.
0.01x+0.3/0.5y-0.01 = ( ) / 50y-1
2.
x-2/(x-4)(5-x) = ( )/(x-4)(x-5)
3.
abc/(a-b)(b-c)(c-a)= -abc/ (a-b)( )(a-c)
4.
a + 0.75b/0.5a - b = 4a + 3b/ ( )
5. a^3 - b^3/a^2 - b^2 =___________
6. a^n+1 ÷ a^n-1 = ___________
7.(- 3/2 a^4 b^3 c^2 ) ÷ 1/3 a^2 b = ___________
8. -6 a^2 b ÷(-6 a^2 b) = ________
x-2/(x-4)(5-x) = ( )/(x-4)(x-5) 给你示范一道题怎么解 其他自己来 太麻烦 首先把(x-5)变形为-(5-x) ,在把负号提出来 提到分子上 式子就成了这样x-2/(x-4)(5-x) = -( )/(x-4)(5-x) 这个还不会吗?
x-2/(x-4)(5-x) = ( )/(x-4)(x-5) 原是括号应填-x+2
呵呵初一的知识吧