Question

1. - [3 + 4 + (4 + 7) + 4 - 9] =
2. 4 – {5 – [(7 + 8) – (5 - 2)]} =
3. 15 - { 4 + [ - 5 - 4 + ( 2 - 3 ) ] - 16 } =
4. -6. ( 12 – 5) – 3.(5 – 3) =
5. [ 3 – 2. ( 5 – 4) – 2. ( 4 – 2 ) ] =
6. 70 – {21 [18 + 25 – (50 – 9)] ÷ 7}
7. 20 + {-50 + [ (30) (2) + 40] – [ (-12 + 30 – 20 + 6)]} ÷ {22}
ayuda pliss

Answer 1

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Answer 2

Respuesta:

1. -13

2. 11

3. 37

4. -48

5. -3

6. 64

7. 243/11

Explicación paso a paso: