3a-3b/10ab · 25a^2b^3/a^2-b^2回答是捞仔!看就好咯..........不

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/29 11:56:48
3a-3b/10ab · 25a^2b^3/a^2-b^2回答是捞仔!看就好咯..........不
x)3N5N74HLR8]41()XH&==)f;)4>tƧK>^I*'`X `a !ҽzz0Laa 7 m5u4 j4I`IFZ`ZxjBeRQCSQQ~qAb$

3a-3b/10ab · 25a^2b^3/a^2-b^2回答是捞仔!看就好咯..........不
3a-3b/10ab · 25a^2b^3/a^2-b^2
回答是捞仔!




.
.
...
.
.
.
.
.

3a-3b/10ab · 25a^2b^3/a^2-b^2回答是捞仔!看就好咯..........不
3a-3b/10ab · 25a^2b^3/a^2-b^2
=3(a-b)/10ab· 25ab(ab^2)/(a+b)(a-b)
=3(a-b)/2*5ab· 5*5ab(ab^2)/(a+b)(a-b)
=3*5(ab^2)/2(a+b)
=15ab^2/2a+2b