Respuesta:
:)
Explicación paso a paso:
3(3+1)+3 [1+2(2)] -2 (4-1) (2+1) =
3(4)+3 [1+4] -2(3)(3) =
12 + 3 (5) - 18 =
12 + 15 - 18 =
9
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Respuesta:
:)
Explicación paso a paso:
3(3+1)+3 [1+2(2)] -2 (4-1) (2+1) =
3(4)+3 [1+4] -2(3)(3) =
12 + 3 (5) - 18 =
12 + 15 - 18 =
9