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Calcule 3/8 + 5/8.
1
Oops!
Okay!
Calcule 3/4 ÷ 2/5.
15/8 ou 1 7/8
Oops!
Okay!
Simplifique a fração 12/16.
3/4
Oops!
Okay!
Calcule 3 2/5 - 1 4/5.
1 3/5
Oops!
Okay!
Calcule 2/5 * 3/7.
6/35
Oops!
Okay!
Calcule 1/4 + 2/3.
11/12
Oops!
Okay!
Calcule 1 1/2 + 2 3/4.
4 1/4
Oops!
Okay!
Calcule 7/12 - 4/12.
1/4
Oops!
Okay!
João usou 2/3 de um saco de farinha para fazer pão e 1/4 do saco para fazer bolo. Quanto da farinha João usou no total?
11/12
Oops!
Okay!
Calcule 5/6 - 1/4.
7/12
Oops!
Okay!
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