Answer:
The answer for this question is 4.
Step-by-step explanation:
4 ÷ [ 5 + 9 . 1 - ( 3 + 10 ) ]
= 4 ÷ [ 5 + 9 . 1 - 13 ]
= 4 ÷ [ 5 + 9 - 13 ]
= 4 ÷ [ 5 + ( - 4 ) ]
= 4 ÷ [ 5 - 4 ]
= 4 ÷ 1
= 4 ans....
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