1) {(+6) : [(+5) - (+7)] (-20) : [(-6) -(-2)]} =
2) [(-8) + (+7)] .(-3) [(-9) + (-3)] : (+6) .(-4) +2.(-3) =
3) 80 : [25 - (+3) + (-2)] [(-5) - (-15)] : [(+6) - (+8)] {[ 8-6 + (-9-5+ 4) - 7] +8}-
4) (4-6) -[(-2) + (-7)] (+12) - [(+2) + (+7)-(+14)] =
5) [(-12) - (-20)] - [(+6) + (5-9) - (16-8-11)] (5+7)-(2-8) =
6) (-2). [(+4) - (+6)] - (+3) · [(-1) + (-2) - (-5)]+ {(-5) · [(-5) + (+2) - (4 + 6 - 1)]} =
7) 3 • {[(+4) + (-6)] - (-2). [8 - (+4)]}-{ [6+ (3-5+4)·2-3. (6-9+8)]} =
8) 25-[4-(3-9)]+{(10 - 7) - [11 - (7-5)] +15 - [(8 - 6) + (3 - 7)]} =
9) {[(+3) - (-5) + (-7)] - [(+2) - (-10)] -166 - [16 - (16 - 4)] + (-16)} =​

Respuestas

Respuesta dada por: baboska
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58

34

38

198

840

765

210

129

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