[100(2X + 1) + 10X + 2X + 2] + [100(2X + 2) + 10(2X + 1) + X] = 1_数学解答

[100(2X + 1) + 10X + 2X + 2] + [100(2X + 2) + 10(2X + 1) + X] = 1611 解出来,

人气：320 ℃　时间：2020-05-14 23:13:07

解答

[100(2X + 1) + 10X + 2X + 2] + [100(2X + 2) + 10(2X + 1) + X] = 1611
200x+100+12x+2+200x+200+20x+10+x=1611
433x=1611-312
x=3