10+10+10+10+10+10+10+10+10+10-40+10-10-+40-20
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1
0 is the correct answer
Answered by
5
Answer:
answer is 0
Step-by-step explanation:
10+10+10+10+10+10+10+10+10+10
= 100
then
100-40 ( as given in question )
= 80
then
80+10
= 90
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