1、1/0.1/0.01/0.001/.../0.00000000001 2、2005+200.5+20.05+2.005 3、(9991*1999.1999+9991.9991*1999)/2.0002 4、〔2.4*?+(56/7-1/0.25)〕*6.5=104 5、(1+1.2)+(2+1.2*2)+(3+1.2*3)+...+(100+1.2*100) The faster the better! Can calculate a problem is a problem! KKKKKKKKKKKKKKKKK!

1、1/0.1/0.01/0.001/.../0.00000000001 2、2005+200.5+20.05+2.005 3、(9991*1999.1999+9991.9991*1999)/2.0002 4、〔2.4*?+(56/7-1/0.25)〕*6.5=104 5、(1+1.2)+(2+1.2*2)+(3+1.2*3)+...+(100+1.2*100) The faster the better! Can calculate a problem is a problem! KKKKKKKKKKKKKKKKK!

2. = 2005 + 200 + 20 + 2 + 0.5 + 0.05 + 0.005 = 2227.5555. = 1 + 2 + 3 + 4 + 5 + 6 + - + 100 + 1.2 * (1 + 2 + 3 + 4 + 5 + - + 100) =