31 P3.WN.JM.17110347
Level 3
A + B + C = 35
A + B + B = 32
A + A + B = 28

C = ?
4 m
W Addition & subtraction Units & parts & boxes Substitution
32 P3.WN.JM.17110340
Level 2
A + A + B = 5687
A + B = 2143
A = ?
4 m
W Addition & subtraction Repeated identity Units & parts Elimination

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