(45968+114721)/52+(20229+25719)/84=3637
1)45968+114712=160680
2)20229+25719=45948
3)160680/52=3090
4)45948/84=547
5)547+3090=3637
(20408-12599)*47-(12300*12-89568)=308991
1)20408-12599=7809
2)12300*12=147600
3)147600-89568=58032
4)7809*47=367023
5)367023-58032=308991
(675+151398/647)*302*115-34500)=
1)151398/647=234
2)234+675=909
3)302*115=34730
4)34730-34500=230
5)909*230=22770
(239530-128*405)/(1500-119200/80)=18769
1)128*405=51840
2)239530-51840=187690
3)119200/80=1490
4)1500-1490=10
5)187690/10=18769