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9) Calculati
a) 4.13 + 5.62 =
b) 21 + 3.4 =
c) 7.2 +5.75 =
d) 0.186 +51,9 =
e) 5.8-5.3=
f)4.35-2.6=
g)19-0.13=
h) 10.2 0.568=