Объяснение:
54,2 + 6,7 - 41,2 + 32,81=
= 54,2 - 41,2 + 32,81+ 6,7=
=13+ 32,81+ 6,7=
=45,81+ 6,7=
=52,51
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Объяснение:
54,2 + 6,7 - 41,2 + 32,81=
= 54,2 - 41,2 + 32,81+ 6,7=
=13+ 32,81+ 6,7=
=45,81+ 6,7=
=52,51