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• Deve ser isso: 1) 2 x 2.3=4.6 ou 2.3/(1/2) 2.3 x (2/1) 2.3 x 2 = 4.6 ou, ainda 1/2 x 1/2.3=1/4.6 ou, mais ainda 1/(2 x 2.3)=1/4.6

  in Matemática - Porque 1/2 x 2.3 = 4.6? Comment by ava-graham_60bd132e27e3f June 2021