ME AJUDEM! Calcule o valor das expressões. (Fração).
A)2/5+1/2-1/3
B)3/4x5/6+1/2
C)2/3+1/4x3
D)3/4:1/2-2/3
E)3/5+1/5:1/10
F)2 1/2+3/2x1/2.
Cálculos pfv.
A)2/5+1/2-1/3
B)3/4x5/6+1/2
C)2/3+1/4x3
D)3/4:1/2-2/3
E)3/5+1/5:1/10
F)2 1/2+3/2x1/2.
Cálculos pfv.
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b.1.125
c.18
d