Algorithms -- Multiplication
2D Multiplication(Q)
2D Multiplication(A1)
2D Multiplication(A2)
1
2
No. of digits
3
4
2
5
3
4
X
1
1
5
6
7
8
9
Created by Mr Chang C.L.
10
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11
https://docs.google.com/spreadsheets/d/1bdI4SccGNhkj1ErAEyOysjFerEHSqYCCcYVqnVmC6As/edit#gid=0
1
0
0
0
2
0
0
0
3
4
2
5
4
X
1
5
0
0
0
0
6
0
0
0
4
2
5
7
+
0
0
0
0
0
0
8
0
0
0
4
2
5
9
0
0
0
4
2
5
10
11
425
1
No "carries" up here :)
2
Advantage: Do all multiplication one shot, then add one shot later
3
4
2
5
4
X
1
5
0
6
0
0
5
7
0
0
2
0
8
0
0
4
0
0
9
0
0
0
0
0
10
0
0
0
11
0
0
0
0
12
0
0
0
0
0
0
13
+
0
0
0
0
0
0
14
0
0
0
4
2
5
15
0
0
0
4
2
5
16
425