Questions and answers by

Clara Wang

Questions (2)

15, 10, 13, 14There are four bags of marbles. One of them contains 15, one of them contains 13, one contains 10, and the other
1. 1 answer
2. 521 views
18, 9, 12, 15There are four bags of marbles. One of them contains 18, one of them contains 9, one contains 12, and the other one
1. 1 answer
2. 574 views