Alguem me ajuda por favor a fazer essa tarefa e urgente
a)10/2 . 5/3
b)2/3 . 5/7
c)3/2 . 5/6
d)12/5 . 1/8
deixem a conta por favor Valeu pessoal Bjs !!!!!
a)10/2 . 5/3
b)2/3 . 5/7
c)3/2 . 5/6
d)12/5 . 1/8
deixem a conta por favor Valeu pessoal Bjs !!!!!
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Verified answer
10/2 . 5/3= 50/6 simplificando 25/32/3 . 5/7= 10/21
3/2 . 5/6= 15/12 simplificando 5/4
12/5 . 1/8= 12/40 simplificando 3/10
10 . 5 = 5 . 5 = 25
---- ---- ----- -------
2 3 3 3
**********************************
b)2/3 . 5/7
2 . 5 = 10
------ ----- -----
3 7 21
***************************
c)3/2 . 5/6
3 . 5 = 15 (:3) 5
------ ----- ------ = -----
2 6 12 (:3) 4
***********************************
d)12/5 . 1/8
12 . 1 = 12 (:4) 3
----- ---- ----- = -----
5 8 40 (:4) 10