Complete the following exercise:
21:21−41=?
To solve the problem, 21:21−41, follow these steps:
- Step 1: First, interpret the division 21:21 as multiplication by the reciprocal. This becomes 21×12.
- Step 2: Perform the multiplication:
21×12=2×11×2=22=1.
- Step 3: Next, subtract 41 from 1:
1−41=44−41=43.
Therefore, the solution to the problem is 43.