Răspuns:
876+624:24-1900:100+117=34×68-1000:8:5-120×9-207 (adevărat)
876+26-19+117=
902-19+117=
883+117=
1000
2312-125:5-1080=
2312-25-1080=
2287-1080=
1207-207=
1000
2100-95×9+80:8-560=75×32+1612:26×13-25×100-11 (adevărat)
2100-855+10-560=
1245+10-560=
1255-560=
695
2400+62×13-2500-11=
2400+806-2500-11=
3206-2500-11=
706-11=
695
