1070+86×101-2008-2116:46=7702
1. 86×101=8686
2. 2116:46=46
3. 1070+8686=9756
4. 9756-2008=7748
5. 7748-46=7702
123×60+1356:12+5041:71×15×5=12818
1. 123×60=7380
2. 1356:12=113
3. 5041:71=71
4. 71×15=1065
5. 1065×5=5325
6. 7380+113=7493
7. 7493+5325=12818
190×50-3283:49+69046:23=12435
1. 190×50=9500
2. 3283:49=67
3. 69046:23=3002
4. 9500-67=9433
5. 9433+3002=12435
2491:47+8364:82-3094:91=121
1. 2491:47=53
2. 8364:82=102
3. 3094:91=34
4. 53+102=155
5. 155-34=121