Question

463700:50+546*40
55440:90-10460:20
41090:70+11950:50

8130:30-2640:10
900100-(736-184)*80
60997+(6012+6228):30

Answer 1

1)31114
2)93
3)826
4)7
5)884644
6)67216.6

Answer 2

463700:50+546*40=9274+21840=31114;
55440:90-10460:20=616-523=93;
41090:70+11950:50=587+239=826;

8130:30-2640:10=271-264=7;
900100-(736-184)*80=900100-552*80=900100-44160=855940;
60997+(6012+6228):30 =60997+12240:30=60997+408=61405.