Asked by jojo
1234 + 607=
47,019 + 21,598=
405,679 + 319,477=
____________________
1234 - 607=
47,019 - 21,598=
405,679 - 319,477=
47,019 + 21,598=
405,679 + 319,477=
____________________
1234 - 607=
47,019 - 21,598=
405,679 - 319,477=