Respuesta:
a) 42, b)98
Explicación paso a paso:
a)
(18 + 3 + 4 x 5 - 2) + (2 x 4 - 10 + 5)
(18 + 3 + 20 - 2) + (8 - 10 + 5)
39 + 3
42
b)
[(18 - 6) + 4 + (12 - 4) + 4] + (8 x 7) + 14
[(18 - 6) + 4 + (12 - 4) + 4] + 56 + 14
[(12 + 4 + 8 + 4)] + 70
28 + 70
98
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Respuesta:
a) 42, b)98
Explicación paso a paso:
a)
(18 + 3 + 4 x 5 - 2) + (2 x 4 - 10 + 5)
(18 + 3 + 20 - 2) + (8 - 10 + 5)
39 + 3
42
b)
[(18 - 6) + 4 + (12 - 4) + 4] + (8 x 7) + 14
[(18 - 6) + 4 + (12 - 4) + 4] + 56 + 14
[(12 + 4 + 8 + 4)] + 70
28 + 70
98
a)
(18 + 3 + 4 x 5 - 2) + (2 x 4 - 10 + 5)
(18 + 3 + 20 - 2) + (8 - 10 + 5)
39 + 3
42
b)
[(18 - 6) + 4 + (12 - 4) + 4] + (8 x 7) + 14
[(18 - 6) + 4 + (12 - 4) + 4] + 56 + 14
[(12 + 4 + 8 + 4)] + 70
28 + 70
98