a-(b+c-d)去括号a-(b+c-d)= a+5(b+2c-3d)= a-m(b+2c-3d)=去括号

来源:学生作业帮助网 编辑:六六作业网 时间:2024/07/13 01:26:14
a-(b+c-d)去括号a-(b+c-d)=a+5(b+2c-3d)=a-m(b+2c-3d)=去括号a-(b+c-d)去括号a-(b+c-d)=a+5(b+2c-3d)=a-m(b+2c-3d)=去

a-(b+c-d)去括号a-(b+c-d)= a+5(b+2c-3d)= a-m(b+2c-3d)=去括号
a-(b+c-d)去括号
a-(b+c-d)= a+5(b+2c-3d)= a-m(b+2c-3d)=
去括号

a-(b+c-d)去括号a-(b+c-d)= a+5(b+2c-3d)= a-m(b+2c-3d)=去括号
a-(b+c-d)
=a-b-c+d
a+5(b+2c-3d)
=a+5b+10c-15d
a-m(b+2c-3d)
=a-mb-2mc+3md