Question

boa tarde alguem me pode ajudar?

Answer 1

resposta

19+11=30
27+11=38
48+11=59

37-9=28
40-9=31
53-9=44

Answer 2

19+11= 19+ 10= 29+1= 30
27+11= 27+10=37+1=38
48+11= 48+10=58+1=59

37-9=37-10=27+1=28
40-9=40-10=30+1=31
53-9=53-10=43+1=44