Question

a)15+[9-(+3+5)]
y
b)130-[(+5-1)-4(4-3)]
​

Answer 1

a) 15+[9-(+3+5)]

15 + (9 - 8)

15 + 1

R= 16

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b) 130-[(+5-1)-4(4-3)]

130 - (4 - 4 × 1)

130 - (4 - 4)

130 - 0

R= 130

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Espero haberte ayudado☆