Sylvester's answer to Riez's Primary 5 Maths Whole Numbers Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Answer is 4.
Method:
Substitute the number by trial and error.
A and B are the same digits.
Substitute the digit 4 into both A and B, then the value will be 4000 and 40.
4000 - 40 = 3960.
Method:
Substitute the number by trial and error.
A and B are the same digits.
Substitute the digit 4 into both A and B, then the value will be 4000 and 40.
4000 - 40 = 3960.
Date Posted:
5 years ago
360 Tutoring Program