1. (127+х)-236=418
127+х-236=418
х=418-127+236
х=527
2. (у-246)+154=300
у-246+154=300
у=300+246-154
у=392
3. (492-а)-87=245
492-а-87=245
492-87-245=а
а=160
4. 745-(b-358)=455
745-b+358=455
745+358-455=b
b=648
5. 304-(543-m)=266
304-543+m=266
m=266-304+543
m=505
6. 789-(x+162)=519
789-x-162=519
789-162-519=x
x=108
Проверка:
1. (127+527)-236=418
418=418
2. (392-246)+154=300
300=300
3. (492-160)-87=245
245=245
4. 745-(648-358)=455
455=455
5. 304-(543-505)=266
266=266
6. 789-(108+162)=519
519=519
1. (127+х)-236=418
127+х-236=418
х=418-127+236
х=527
2. (у-246)+154=300
у-246+154=300
у=300+246-154
у=392
3. (492-а)-87=245
492-а-87=245
492-87-245=а
а=160
4. 745-(b-358)=455
745-b+358=455
745+358-455=b
b=648
5. 304-(543-m)=266
304-543+m=266
m=266-304+543
m=505
6. 789-(x+162)=519
789-x-162=519
789-162-519=x
x=108
Проверка:
1. (127+527)-236=418
418=418
2. (392-246)+154=300
300=300
3. (492-160)-87=245
245=245
4. 745-(648-358)=455
455=455
5. 304-(543-505)=266
266=266
6. 789-(108+162)=519
519=519