Explicación paso a paso:
resolución:
Hola
3/7 de 21=3*21/7=
3*21/7=9
7/20 de 80=7*80/20
7*80/20=28
6/10 de 250=6*250/10
6*250/10=150
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Explicación paso a paso:
resolución:
Hola
3/7 de 21=3*21/7=
3*21/7=9
7/20 de 80=7*80/20
7*80/20=28
6/10 de 250=6*250/10
6*250/10=150