Question

Scrie adunari si scaderi,unde Z =zeci,U=unitati........U+ZU=50
ZU-ZU=ZU ,ZU-Z=U,ZU+U=39,ZU-U=12,ZU-U=ZU,ZU -ZU=50,ZU-ZU=10,ZU+ZU=100

Answer 1

U+ZU=50

5+45=50

ZU-ZU=ZU

76-16=60

ZU-Z=U

45-40=5

ZU+U=39

32+7=39

ZU-U=12

18-6=12

ZU-U=ZU

87-6=81

ZU-ZU=50

75-25=50

ZU-ZU=10

46-36=10

ZU+ZU=100

85+15=100