Explicación paso a paso:
a) 2 + 9 + 20 / 5 b) 2 - 6 - 11 / - 2
2 + 9 + 4 2 - 6 + 5.5
11 + 4 -4 + 5.5
15 1.5
c) 3 + 4 + 2 + 6/ -4 d) 2 - 11 + 30 / -6
3 + 4 + 2 + (-1.5) 2 - 11 + (-5)
3 + 4 + 2 - 1.5 2 - 11 -5
7 + 2 - 1.5 -14
9 - 1.5
7.5
Espero te ayude :)
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Verified answer
Explicación paso a paso:
a) 2 + 9 + 20 / 5 b) 2 - 6 - 11 / - 2
2 + 9 + 4 2 - 6 + 5.5
11 + 4 -4 + 5.5
15 1.5
c) 3 + 4 + 2 + 6/ -4 d) 2 - 11 + 30 / -6
3 + 4 + 2 + (-1.5) 2 - 11 + (-5)
3 + 4 + 2 - 1.5 2 - 11 -5
7 + 2 - 1.5 -14
9 - 1.5
7.5
Espero te ayude :)