345 0

Q:

यदि -4$1 = 4, 7$-7 = 49 और 3$1 = -3, तो -8$-5 का मान ज्ञात करें । 

  • 1
    -1
  • 2
    92
  • 3
    - 40
  • 4
    - 69
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Answer : 3. "- 40 "

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