解方程:(11a-10)*(11a-1)=(11a-10)∧2 405(过程与思路详写)
热心网友
解方程:(11a-10)×(11a-1)=(11a-10)^+ 405令X=(11a-10)∴11a-1=11a-10+9∴(11a-10)×(11a-10+9)=(11a-10)^+ 405∴(11a-10)×(11a-10)+9×(11a-10)=(11a-10)^+ 405∴9×(11a-10)= 405∴(11a-10)= 45∴11a= 55∴a= 5
解方程:(11a-10)*(11a-1)=(11a-10)∧2 405(过程与思路详写)
解方程:(11a-10)×(11a-1)=(11a-10)^+ 405令X=(11a-10)∴11a-1=11a-10+9∴(11a-10)×(11a-10+9)=(11a-10)^+ 405∴(11a-10)×(11a-10)+9×(11a-10)=(11a-10)^+ 405∴9×(11a-10)= 405∴(11a-10)= 45∴11a= 55∴a= 5