12,56 + 27,44 + 23,83
=(12,56+27,44)+23,83
=40+23,83
=63,83
K mk nha
12,56 + 27,44 + 23,83
= (12,56 + 27,44) + 23,83
= 40 + 23,83
= 63,83
\(12,56+27,44+23,83\)
\(=\left(12,56+27,44\right)+23,83\)
\(=40+23,83\)
\(=63,83\)
12,56 + 27,44 + 23,83
= 40 +23,83
= 63,83