Ответ:70,71,72,73,74,75,76,77,78,79
1/3+7/20=20/60+21/60=41/60
60/60-41/60=19/60
2314/19*60=7307,3684210526315789473684210526
90*90=8100
300:5=60
8100-60=8040
8040+823=8863
8863-13=8850
У+74=172.
у=172-74
у=98
х+х+18=66
2х=66-18
2х=48
х=48:2
х=24
35z=331-86
35z=245
z=245:35
z=7
2m-45=127
2m=172
m=172:2
m=86
3p-97=233-120
3p=113+97
3p=210
p=210:3
p=70