Question

6 – [4 – 3(4 – 2)] – {7 – 5[4 – 2(7 – 2) ] }

Answer 1

Explicación paso a paso:

l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l

Answer 2

Explicación paso a paso: 12

1. 6 – [4 – 3(4 – 2)] – {7 – 5[4 – 2(7 – 2) ] }
2. 6 – [+ 1 (+ 2 )] – {+ 2 [+ 2 (+ 5 ) ] }
3. 6 [- 1 (+ 2 )] {- 2 [+ 2 (+ 5 ) ] }
4. 6 – 1 + 2 – 2 + 5 + 2= – 3 + 15= 12