344
-13 is the number must you subtract from -13 to get a difference of 0
13%% of 339 = 0.0013*339 = 0.4407 To subtract 13 %% from 339 = 339 - 0.4407 = 338.5593
357
Double the last digit. Subtract it from the rest. If the result is divisible by 7, the original number is divisible by 7.
First, subtract 20 and 5. Then take that answer and subtract 13 from it. 20-5-13 15-13 2 The answer is 2
22
13
50-500 usd
8
13
-29
-13