1.

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/09 00:57:15

1.
1.

1.
1、35/(25-15m)=7/(5-3m)
2、1/(3-6p)-3/(4p-2)
=(1/(1-2p))(1/3+3/2)
=11/(6(1-2p))
3、(b³c+3b^4)/(c²+3bc)
=(b³(c+3b))/(c(c+3b))
=b³/c
4、(21x³-14x^5)/35x^4
=(21-14x²)/35x
=(3-2x²)/5x