а) 45,81+21,301-33,048=34,063
45,81+21,301=67,111
67,111-33,048=34,063
б) 345,5-159,08+73,55=259,97
345,5-159,08=186,42
186,42+73,55=259,97
в) 82,1*2,03-102,58=64,083
82,1*2,03=166,663
166,663-102,58=64,083
г) (1183,7-872,2):2,8=111,25
1183,7-872,2=311,5
311,5/2,8=111,25
а)45.81+21.301-33.048=34,063
б)=259,97
в)=64,083
г)=111,25
