急需!急需!懂数学滴,都进!帮我化简,谢谢啦:(3a+3b)+[3a+3b+(b-1)]+[3a+3b+(b-1)+2]帮帮忙吧,各位GG,MM们~~~~~~~~~~~~~

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/25 01:39:51
急需!急需!懂数学滴,都进!帮我化简,谢谢啦:(3a+3b)+[3a+3b+(b-1)]+[3a+3b+(b-1)+2]帮帮忙吧,各位GG,MM们~~~~~~~~~~~~~急需!急需!懂数学滴,都进!

急需!急需!懂数学滴,都进!帮我化简,谢谢啦:(3a+3b)+[3a+3b+(b-1)]+[3a+3b+(b-1)+2]帮帮忙吧,各位GG,MM们~~~~~~~~~~~~~
急需!急需!懂数学滴,都进!
帮我化简,谢谢啦:
(3a+3b)+[3a+3b+(b-1)]+[3a+3b+(b-1)+2]
帮帮忙吧,各位GG,MM们~~~~~~~~~~~~~

急需!急需!懂数学滴,都进!帮我化简,谢谢啦:(3a+3b)+[3a+3b+(b-1)]+[3a+3b+(b-1)+2]帮帮忙吧,各位GG,MM们~~~~~~~~~~~~~
(3a+3b)+[3a+3b+(b-1)]+[3a+3b+(b-1)+2]
=3a+3b+3a+3b+(b-1)+3a+3b+(b-1)+2
=9a+9b+(b-1)+(b-1)+2
=9a+9b+b-1+b-1+2
=9a+11b

9a+11b