o valor da expressão ](5/6 - 1/3) - 1/5] : ²√ 9/4 é?
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[(5/6 - 1/3) - 1/5] : √ 9/4 =
[(5/6 - 2/6) - 1/5] : 3/2 =
[ 3/6 - 1/5] : 3/2 =
[ 1/2 - 1/5] : 3/2 =
[ 5/10 - 2/10] : 3/2 =
3/10 : 3/2 = 3/10 . 2/3 = 6/30 = 1/5
[(5/6 - 2/6) - 1/5] : 3/2 =
[ 3/6 - 1/5] : 3/2 =
[ 1/2 - 1/5] : 3/2 =
[ 5/10 - 2/10] : 3/2 =
3/10 : 3/2 = 3/10 . 2/3 = 6/30 = 1/5
danileite35:
obrigada
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