[多选题]下列哪三项是正确的float变量的声明?

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;
正确答案:A,D,F
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