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Answered by
2
Answer:
12 is ur answer mate
Step-by-step explanation:
9 × 10 = 90
8 × 9 = 72
7 × 8 = 56
6 × 7 = 42
so, 3 × 4 = 12
Answered by
1
ans. 30
30+12=42
42-12=30
Step-by-step explanation:
42+14=56
56+16=72
72+18=90
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