Question

please answer me because submission date is 21 june 4:00 pm class 4th ​

Answer 1

Answer:

1. 75=70+5 and 38=30+8

75+38

=(70+5)+(30+8)

=(70+30)+(5+8)

=(100)+(13)

=113

2. 94=90+4 and 33=30+3

94-33

=(90+4)-(30+3)

=(90-30)+(4-3)

=(60)+(1)

=61