Decena Próxima.

a ) 28 + 2 = ____________________
b ) 44 + 6 = ____________________
c ) 98 + 2 = ____________________
d ) 57 + 3 = ____________________
e ) 60 + 10 = ____________________
f ) 70 + 10 = ____________________
g ) 7 + 3 = ____________________