a) 3 x 2 + 3 = 3 + 3 + 3 = 9
b) 5 x 4 + 5 = 5 + 5 + 5 + 5 + 5 = 25
c) 4 x 2 + 4 x 3 = 4 + 4 + 4 + 4 + 4 = 20
d) 2 x 4 + 2 x 2 = 2 + 2 + 2 + 2 + 2 + 2 = 12
a) 3 x 2 + 3 = 3 + 3 + 3 = 9
b) 5 x 4 + 5 = 5 + 5 + 5 + 5 + 5 = 25
c) 4 x 2 + 4 x 3 = 4 + 4 + 4 + 4 + 4 = 20
d) 2 x 4 + 2 x 2 = 2 + 2 + 2 + 2 + 2 + 2 = 12
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