Which expression is equivalent to 81 + 18?
2 answers:
Answer:
Step-by-step explanation:
81 + 18 = 99
- A. 9(9 + 2) = 99, correct
- B. 9(9 + 9) = 198 ≠ 99
- C. 9(9 + 3) = 108 ≠ 99
- D. 3(27 + 18) = 135 ≠ 99
Answer:
9(9+2)
Step-by-step explanation:
81+18=99
Now
Hence verified.
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