A) 34-30
B) 44-31
C) 61-12
D) 25-21
Correct Answer: B
Solution :
34 - 30 \[\Rightarrow \] (3 + 4) - (3 + 0) \[\Rightarrow \] 7 - 3 = 4 44 - 31 \[\Rightarrow \] (4 + 4) - (3 + 1) \[\Rightarrow \] 8 - 4 = 4 61 - 22 \[\Rightarrow \](6 + 1) - (1 + 2) \[\Rightarrow \] 7 - 3 = 4 25 - 21 \[\Rightarrow \](2 + 5) - (2 + 1) \[\Rightarrow \] 7 - 3 = 4You need to login to perform this action.
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