26 × 73?
A(80 × 26) - (80 × 7) =
B(80 × 26) - (7 × 26) =
C(20 73) - (6 73) =
D(20 × 73) (6 × 73) =
A(80 × 26) - (80 × 7) =
B(80 × 26) - (7 × 26) =
C(20 73) - (6 73) =
D(20 × 73) (6 × 73) =