1)12617 31 2) 208 3)8944
124 407 * 42 + 407
217 416 9351
217 832
0 8736
4)10351
* 9351
10351
51755
31053
93159
96792201
2*2+2+(2:2)=7
1) 2*2=4
2)2:2=1
3)4+2=6
4)6+1=7
333*3+3:3=1000
1)333*3=999
2)3:3=1
3)999+1=1000
(8*8+8*8)*8-8-8-8=1000
(64+64)*8-8-8-8=
128*8-8-8-8=
1024-8-8-8=1000