а)700700-6054*(47923-47884)-65548=
=700700-6054*39-65548=
=700700- 236106-65548=
=464594-65548=
=399046
47923
-47884
39
6054
*39
54486
18162
236106
700700
- 236106
464594
464594
-65548
399046
б)66509+141400:(39839-39739)+1985=
=66509+141400:100+1985=
=66509+1414+1985=
=67923+1985=
=69908
39839
-39739
100
141400:100=1414
66509
+1414
67923
67923
+1985
69908