A1111
B1011
C1000
D1100
Answer:
1111 × 7 =7777
Related Questions:
What is the value of (3/5)2×(5/7)−23/5)3×(7/5)2=?\frac{(3/5)^2\times(5/7)^{-2}}{3/5)^3\times(7/5)^2}=?3/5)3×(7/5)2(3/5)2×(5/7)−2=?