Question

Решите примеры 711:9+(506-105х4)=
420-(809000:1000-65х10=

Answer 1

1)105*4=420
506-420=86
711:9=79
79+86=165
2)56*10=560
809000:1000=809
809-560=249
420-249=171

Answer 2

711:9+(506-105х4)=165
105х4=420, 506-420=86
711:9=79
79+86=165

420-(809000-65х10)=361
809000:1000=809
65х10=650
809-650=159
420-159=361