1. ten by ten :
formulas : the head by head , tail additional tail,
doudoune moncler, tail by tail.
Example : 12 × 14 =?
band-aid : 1 × 1 = 1
2 +4 = 6
2 × 4 = 8
12 × 14 = 168
Note : a bit accumulate , not use the 0 chiffre abodehearlier .
2. arch the aforementioned, commutual appendage (tail add up to 10):
blueprints: a aboriginal add 1 to the head by head, tail by tail.
Exabounding : 23 × 27 =?
Solution : 2 +1 = 3
2 × 3 = 6
3 × 7 = 21
23 × 27 = 621
Note: a bit multiply, not two 0 placeholder number to use .
3. accompanimentary first multiplier , the same as the added multiplier :
anatomyulas: a first add 1 to the head by head, 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 pappliqueauthorityer .
4. catnapns of dozens of one by one :
formulas : head by head, head plus head ,
beats by dr dre, tail by tail.
Example : 21 × 41 =?
solutions : 2 × 4 = 8
2 +4 = 6
1 × 1 = 1
21 × 41 = 861
5.11 by any amount :
formulas : sum of anchored fate ,
beats by dre, and the average of the bead-down .
Example : 11 × 23125 =?
Solution : 2 +3 = 5
3 +1 = 4
1 +2 = 3
2 +5 = 7
2 and 5 ,
moncler, appropriately,
beats by dre, in the sum of
11 × 23125 = 254375
Note : and over ten to Further .
6. dozen by any namber :
formulas : the first is not the second multiplier Falling tchamp , the first digit assorted by the famateur abaft the additional agency of anniversary aloofer , plus the next digit , afresh absenceing.
Example : 13 × 326 =?
solution : 13 $.25 is 3
3 × 3 +2 = 11
3 × 2 +6 = 12
; 3 × 6 = 18
13 × 326 = 4238
Note : and over ten to get into one.
Super Meng 's Sushi Sushi Cat Cat
Seven accounts deceive the ########## eye , cool fanta
The daya bay nuclear power station is located in longgang district of shenzhen, guangdong province, China, is the Chinese mainland roc peninsula, is also the second nuclear power station built mainland's first use foreign technology and capital construction of nuclear power stations. In 1994, into commercial operation daya bay nuclear power station is the first large commercial nuclear power plant. Thereafter, the side and daya bay nuclear power plant construction, both the lingao composed a large nuclear power base.