x
0
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0
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0
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1
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1
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9
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2
0
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36
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8
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48
5
0
5
10
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6
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6
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36
42
48
54
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66
72
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0
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14
21
28
35
42
49
56
63
70
77
84
8
0
8
16
24
32
40
48
56
64
72
80
88
96
9
0
9
18
27
36
45
54
63
72
81
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99
108
10
0
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11
0
11
22
33
44
55
66
77
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99
110
121
132
12
0
12
24
36
48
60
72
84
96
108
120
132
144

Why does 5 x 1 = 5?

Because adding 5 1's together makes 5.

That is, because 1 + 1 + 1 + 1 + 1 = 5.

Mathgrow

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