Explicación paso a paso:
e.
(-6) - (-5) -(-7) -(-12)
-6 + 5 + 7 + 12
-1 + 7 + 12
+6 + 12
+18
f.
(+6) - (+15) - (+11) - (+31) - (+15)
+6 - 15 - 11 - 31 - 15
-9 - 11 - 31 - 15
-20 - 31 - 15
-51 - 15
-66
g.
(– 15) + (+12) – (–18) – (+25) + (–19)
-15 + 12 + 18 - 25 - 19
-3 + 18 - 25 - 19
+15 - 25 - 19
-10 - 19
-29
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Explicación paso a paso:
e.
(-6) - (-5) -(-7) -(-12)
-6 + 5 + 7 + 12
-1 + 7 + 12
+6 + 12
+18
f.
(+6) - (+15) - (+11) - (+31) - (+15)
+6 - 15 - 11 - 31 - 15
-9 - 11 - 31 - 15
-20 - 31 - 15
-51 - 15
-66
g.
(– 15) + (+12) – (–18) – (+25) + (–19)
-15 + 12 + 18 - 25 - 19
-3 + 18 - 25 - 19
+15 - 25 - 19
-10 - 19
-29