which three are valid declarations of a float?
a.float foo=-1
b.float foo=1.0
c.float foo=42e1
d.float foo=2.02f
e.float foo=3.03d
f.float foo=0x0123
为什么B不对?
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which three are valid declarations of a float? a.float foo=-1 b.float foo=1.0 c.float foo=42e1 d.float foo=2.02f e.float foo=3.03d f.float foo=0x0123 为什么B不对?