como resolvo essa conta: 2/1 - 7/6 + 3/4 ????
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2 - 7 + 3 12.2 - 2.7 + 3.3
----- ----- ---- = ------------------------
1 6 4 12
= 24 - 14 + 9 = 10 + 9 19
----------------- ---------- = ------
12 12 12
Resp.: 19/12
**********************************
Obs.: (mmc: 6,4) = 12
6,4: 2
3,2: 2
3,1: 3
------------
1,1 = 2.2.3 = 4.3 = 12
----- ----- ---- = ------------------------
1 6 4 12
= 24 - 14 + 9 = 10 + 9 19
----------------- ---------- = ------
12 12 12
Resp.: 19/12
**********************************
Obs.: (mmc: 6,4) = 12
6,4: 2
3,2: 2
3,1: 3
------------
1,1 = 2.2.3 = 4.3 = 12
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