1) A={_____ ,_______, ______,...}

2) B={______ ,______ , _____ ,...}

3) C={... ______, _______ ,_____ , ____ ,...}

4) D={ _____ , _____ ,_____ ,...}

5) E={______ , _______ ,______ ,...}

1 A 2 B 3 C 4 D 5 E class=