Explicación paso a paso:
A. ( - 50 ) – ( + 49 )
- 50 - 49
- 99
B. ( - 13 ) x (- 20 ) = +260
C. ( - 27 ) : (+3 ) = - 9
D. [( −12 + 36) : 6 + (8 − 5) * (−3)] - 6
[ (24 : 6) + (3) * (−3)] - 6
[ 4 + (- 9)] - 6
[ 4 - 9 ] - 6
5 - 6
- 1
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Explicación paso a paso:
A. ( - 50 ) – ( + 49 )
- 50 - 49
- 99
B. ( - 13 ) x (- 20 ) = +260
C. ( - 27 ) : (+3 ) = - 9
D. [( −12 + 36) : 6 + (8 − 5) * (−3)] - 6
[ (24 : 6) + (3) * (−3)] - 6
[ 4 + (- 9)] - 6
[ 4 - 9 ] - 6
5 - 6
- 1