前两个数字的和除以22+90=92/2=4690+46=136/2=6846+68=114/2=5768+57=125/2=62.5所以是62.5加油
2 + 90 = 46 * 290 + 46 = 68 * 246 + 68 = 57 * 268+57=？*2？=62.5
