Question

256m-147m-1871=63747 88800/110+x=809 6871+p/121=7000(без проверки)СПС

Answer 1

256m-147m-1871=63747

109m=63747+1871

109m=65618

m=65618:109

m=602

88800/110+x=809

х=809-88800/110

х=(88990-88800)/110

х=190/110=19/11=1 8/11

 

6871+p/121=7000

р/121=7000-6871

р/121=129

р=121*129

р=15609