Question

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Answer 1

Answer:

21. a. Shade any one box

b. Shade any four boxes

22. 12×1=12

12×2=24

12×3=36

12×4=48

12×5=60

12×6=72

12×7=84

12×8=96

12×9=108

12×10=120

23. 342/1000=171/500