1) reduza a única só potência: a)2 5÷2 3-2 2=2 5-3+2=24 b) 3 5÷2-2÷3 3 5-(-2)-1 =3 5+2-1 =36 c) (23) 5÷2 2=2 15-2=2 13 d) [2×2 2÷2 6] 3 = [2 3 6] =[2-3] 3= 2-9​
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