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Make five addition and five subtraction equations with these numbers: 4 5 8 9 13 ____ + ____ = _____ ____ + ____ = _____ ____ + ____ = _____ ____ + ____ = _____ ____ + ____ = _____ ____ - ____ = _____ ____ - ____ = _____ ____ - ____ = _____ ____ - ____ = _____ ____ - ____ = _____