GUÍA DE MATEMÁTICAS OPERACIÓN INVERSA 4° A – B 2022 5 x 7 = ___ 3 x 5 = 15 35 : 7 = ___ 15 : 5 = 3 8 x __ = ___ __ x 3 = ___ 16 : __ = ___ __ : 3 = ___ __ x __ = 18 2 x __ = ___ __ : __ = 3 18 : __ = ___ 6 x __ = __ __ x __ = 18 30 : __ = 6 __ : __ = 3