observe como Gilberto resolveu , de duas maneiras , a expressao 3/4+5/6-1/4 .resolva as expressoes de duas maneiras A)7/12+5/6+1/3
B)11/6+3/4-1/2
C)5/4+7/6-2/3
D)13/9+5/8-7/12
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A) 7/12 + 5/6+ 1/3 7/12 + 5/6 + 1/3
7/12 + 10/12+ 1/3 7/12 + 5/6 + 2/6
17/12 + 4/12 = 21/12 7/12 + 7/6= 21/12
B) 11/6 + 3/4 - 1/2 11/6 + 3/4 - 1/2
22/12 + 9/12 - 1/2 11/6 + 3/4 - 2/4
31/12 - 6/12 = 25/12 11/6 + 1/4 = 25/12
C) 5/4 + 7/6 - 2/3 5/4 + 7/6 - 2/3
15/12 + 14/12 -2/3 5/4 + 7/6 - 4/6
19/12 - 2/3 = 11/12 5/4 + 3/6 = 11/12
D) 13/9 + 5/8 - 7/12 13/9 + 5/8 - 7/12
104/72 + 45/72 - 7/12 13/9 + 45/72- 42/72
149/72 - 7/12 = 107/12 13/9 + 3/72= 107/72
Espero ter ajudado.
7/12 + 10/12+ 1/3 7/12 + 5/6 + 2/6
17/12 + 4/12 = 21/12 7/12 + 7/6= 21/12
B) 11/6 + 3/4 - 1/2 11/6 + 3/4 - 1/2
22/12 + 9/12 - 1/2 11/6 + 3/4 - 2/4
31/12 - 6/12 = 25/12 11/6 + 1/4 = 25/12
C) 5/4 + 7/6 - 2/3 5/4 + 7/6 - 2/3
15/12 + 14/12 -2/3 5/4 + 7/6 - 4/6
19/12 - 2/3 = 11/12 5/4 + 3/6 = 11/12
D) 13/9 + 5/8 - 7/12 13/9 + 5/8 - 7/12
104/72 + 45/72 - 7/12 13/9 + 45/72- 42/72
149/72 - 7/12 = 107/12 13/9 + 3/72= 107/72
Espero ter ajudado.
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