Math Olympiad 4( Week 5 Quiz 1) 1. Below are the numbers from 0 to 9, + − and = signs made of line segments.
Please correct the following equation by adding Only one segment to the equation and write your corrected equation (only one is needed) in the blank (such as 1+2=3).
2. What is the largest possible remainder of (X ÷ 9) ? (X is a whole number). 3. Type all the multiples of 6 between 700 and 799, and their digits sum also are multiples of 6. Separate two numbers with a comma. 4. If a number is divisible by 2 and 3, is the number also divisible by 6? 11. What are the multiples of 3 between 800 and 899 inclusively with the largest digits sum? 12. What are the multiples of 9 between 400 and 499 inclusively with the smallest digits sum? 13. A package of 6 note pads costs $1.20. How many note pads will cost $3.00? |