A) 51
B) 59
C) 37
D) 45
Correct Answer: D
Solution :
After interchanging the signs \[20\div 5-7+6\times 8=x\] \[4-7+6\times 8=x\] \[4-7+48=x\] \[52-7=x\] \[\therefore \] \[x=45\]You need to login to perform this action.
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