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Reprinted from 450150351 at 13:15 on August 10,
gucci heels, 2010 Read (loading. ..) Comments (0) Category: Personal Diary
1. ten by ten:
formulas: the head by head, tail plus tail,
gucci bikinis, tail by tail.
Example: 12 × 14 =?
solution: 1 × 1 = 1
2 +4 = 6
2 × 4 = 8
12 × 14 = 168
Note: a bit multiply, not use the 0 digit placeholder.
2. head the same, complementary tail (tail add up to 10):
formulas: a first add 1 to the head by head, tail by tail.
Example: 23 × 27 =?
Solution: 2 +1 = 3
2 × 3 = 6
3 × 7 = 21
23 × 27 = 621
Note: a bit multiply, not use the 0 digit placeholder.
3. complementary first multiplier, the same as the other multiplier:
formulas: a first add 1 to the head by head,
gucci watches, tail by tail.
Example: 37 × 44 =?
solution: 3 +1 = 4
4 × 4 = 16
7 × 4 = 28
; 37 × 44 = 1628
Note: a bit multiply, not use the 0 digit placeholder.
4. dozens of dozens of one by one:
formulas: head by head, head plus head,
cheap gucci shoes, tail by tail.
Example: 21 × 41 =?
solutions: 2 × 4 = 8
2 +4 = 6
1 × 1 = 1
; 21 × 41 = 861
5.11 by any number:
formulas: sum of fixed fate, and the middle of the drop-down.
Example: 11 × 23125 =?
Solution: 2 +3 = 5
3 +1 = 4
1 +2 = 3
; 2 +5 = 7
2 and 5, respectively,
gucci sunglasses, in the sum of
11 × 23125 = 254375
Note: and over ten to get into one.
6. dozen by any number:
formulas: Second Take is not the first fate of several trends, the first digit multiplied by the factor behind the second factor of each number,
gucci sale, plus the next digit, again missing.
Example: 13 × 326 =?
solution: 13 bits is 3
3 × 3 +2 = 11
3 × 2 +6 = 12
; 3 × 6 = 18
13 × 326 = 4238
Note: and over ten to get into one.
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