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blackboard
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A blackboard on which a graphic balloon was drawn and a woman 26
A blackboard on which a balloon of a graph is drawn and a female 16
Men 2 looking at the chart on the blackboard
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A blackboard on which a line graph is written and a woman 33
A blackboard on which a balloon of a graph was drawn and a female 30
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Girl scribbling 5
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Classroom blackboard Classroom image
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Chalk character 64
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Picture written in chalk 6
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Blackboard hung on the wall 39
A blackboard on which a balloon of a graph was drawn and a female 13
A blackboard on which a balloon of a graph is drawn and a woman 11
A blackboard with a line graph written and a man and a woman 1
Blackboard with a line graph written and female 19
Blackboard on which a line graph is written
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