1+2+3+4+8+52+5+5+5+2+6+5+2+8+2+5+5+5+5+6+3+8+3+8+2+5+8+6+8+3
1+2+3+4+8+52+5+5+5+2+6+5+2+8+2+5+5+5+5+6+3+8+3+8+2+5+8+6+8+3
计算1+2+3+4+5+6+7+8+.+52
2,5,2,20,3,4,3,36,5,6,5,150,8,5,8,()
8 4 1 3 5 5 36 -6 2 2 3 2 5 5
#5#####2###31##5####6##8###6######1#8##6####4#3###9##7###5##
2 3 4 5 6 8 9
2,3,4,5,6,7,8,
2,3,4,5,6,8,
2 3 4 5 6 7 8
2 3 4 5 6 8
1+2+6+3+8+5
1*2*3*4*5+5*6*7*8*9/5*6*7*8*9