求初一上整式加减計算題100道 要有數位、字母、方程

求初一上整式加减計算題100道 要有數位、字母、方程

456156.33412.824.4563123.456854.323676.231.79+23.456123.453451.432.423453.14265.312.69453.23.4763456.3423.7563.123.3456342.1.3464.345.45454545546345645456384634535863453.4545348633563456354636354365+5…