Mathematics, 02.06.2021 19:10, sarahmolina246

A sentença matemática abaixo apresenta a quantidade de figurinhas de dois amigos uma de cada lado da igualdade. Descubra o número que falta na sentença matemática e a idade dos irmãos: 18+? = 15+5 ? = 20

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A sentença matemática abaixo apresenta a quantidade de figurinhas de dois amigos uma de cada lado da...