507*432+234:26=219033
1)507*432=219024
2)234:26=9
3)219024+9=219033
(126828:542)*(47600-406*117)=22932
1)126828:542=234
2)406*117=47502
3)47600-47502=98
4)234*98=22932
460*308+447480:132-3987=141083
1)460*308=141680
2)447480:132=3390
3)141680+3390=145070
4)145070-3987=141083
1000000-136068:68+4600*900=5137999
1)136068:68=2001
2)4600*900=4140000
3)1000000-2001=997999
4)997999+4140000=5137999