Resposta:
Explicação passo a passo:
a)
(2/5+1/2): (2-1/6)
= (4+5)/10: (12-1)/6*
=9/10: 11/6
= 9/10 . 6/11 *
= 54/110 (:2)/(:2)
= 27/55*
__________
b)
7.3/2 : (4/5+2/3)
= 21/2 : (12+10)/15 *
= 21/2 : 22/ 15 *
= 21/2 . 15/22 *
= 315/44
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Resposta:
Explicação passo a passo:
a)
(2/5+1/2): (2-1/6)
= (4+5)/10: (12-1)/6*
=9/10: 11/6
= 9/10 . 6/11 *
= 54/110 (:2)/(:2)
= 27/55*
__________
b)
7.3/2 : (4/5+2/3)
= 21/2 : (12+10)/15 *
= 21/2 : 22/ 15 *
= 21/2 . 15/22 *
= 315/44