How many ways????

10x1=10x1=10

10x2=20x1=20

10x3=30x1=30

10x4=40x1=40

10x5=50x1=50

10x6=60x1=60

10x7=70x1=70

10x8=80x1=80

10x9=80x1=90

10x10=100x1=100

10x3=30x1=30

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