87 + (-7) + 13 + (-3)
Answers
Answered by
2
Answer:
90
Step-by-step explanation:
87-7+13-3
87+13-7-3
100-10
90
Answered by
2
Answer:
64
Step-by-step explanation:
87 - 7 + 13 - 3
( 87 - 20 ) - 3
( +67 -3 )
67 - 3 = 64
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