Nivel 3.
1. 7 − [2 * 9 − (4 +
13) + 4 : 2] =
2. [(+3) − (+5) + (+4)] : [(+15) : (−3) −
(−7)] =
3. 42 : [(−6) − (−3)] + 28 : [−6 − (−8)] =
4. 74 : 14 − 3 [10 −
2(8 − 3)] =
5. 10 − [6 − (−5 + 4) − 2] + 1 =
6. (42 + 20) : 4 − 2 (9 : 3) − 2 [18 + 3 (13 − 9) − 5 ] =
7. − 8 [5 − (−2)] − 48
: [6 + (−14)] − 11 [10 + (−7)] + 36 : [(−1) − (−10)] =
8. {2
[(2 + 3 – 5)² + √25 + (2 * 2 / 1) – (5 * 8 / 2) (9 + 5)]} (2² + 1)=
9. {√25 [(7+5 * 2)³ + 3 (3 * 3) – (20/5)]} (9 - 2) =
10. {8 [9 - 4+6)² + √36 + (9 * 2/2) – (60*2/4)
(9+1)]} (4²-2) =
11. {(√4*3) [(10+15) (5*12)² +√16 - (16-4*3)]}
/6=
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