Ball Pong Pong ping pong balls box in agreement with the numbers 0 – 9 probability, with the aim of the project is to help you learn the subject. Random trials and be used as a medium for learning
.Teaching for teachers. The target group is students in grade 4-school green POO. Amphoe Phu green Chaiyaphum in semester 1 academic year 2557 (2014) tools are used to collect data. 1 – ping pong balls box to 20 the number 0-9, each number will have a chance to answer, with luck, which will trial a practicality by ping pong balls drop ongsum prophecy according to the number on the door slot. A door 10 times, and then save the results
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