Question: Convert the grammar from BNF into EBNF: : : = | :: = | ::= | 0 | 1... | 9 = + |

Convert the grammar from BNF into EBNF: : : = | :: 

Convert the grammar from BNF into EBNF: : : = | :: = | ::= | 0 | 1... | 9 = + |

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