1, ten by ten : -
formulas : the head at brain , tail plus tail,
GHD Red Straighteners, tail by tail . -
Example : 12 × 14 =? -
solution : 1 × 1 = 1 -
2 +4 = 6 -
2 × 4 = 8 -
12 × 14 = 168 -
Note: a bit multiply, not to use the 0 digit placeholder . -
-
2. head the same , complementary tail (tail sum equal to 10 ):-
formulas: a first join 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 to use the 0 digit placeholder . -
-
3, the first multiplier complementary ,
GHD IV Styling Set, the same for dissimilar multiplier : -
formulas: a first add 1 to the head by head ,
GHD Red Butterfly 2011, tail by tail . -
Example : 37 × 44 =? -
solution : 3 +1 = 4 -
4 × 4 = 16 -
7 × 4 = 28 -
37 × 44 = 1628 -
Note: a bit multiply,
GHD IV Black Straighteners, not to use the 0 digit placeholder . -
-
4, dozens of dozens of one by one : -
formulas : the head by head ,
GHD Pink Limited Edition, head plus head, tail by tail . -
Example : 21 × 41 =? -
solution : 2 × 4 = 8 -
2 +4 = 6 -
1 × 1 = 1 -
21 × 41 = 861 -
-
5,11 by any number : -
formulas : the whereabouts of the fixed end apt end , in the medium of the drop-down. -
Example : 11 × 23125 =? -
solution : 2 +3 = 5 -
3 +1 = 4 -
1 +2 = 3 -
2 +5 = 7 -
2 and 5 , respectively, in the end to end -
11 × 23125 = 254375 -
Note : and over 10 to enter one . -
-
6, a dozen by whichever number : -
formulas : the whereabouts of the second manoeuvre namely not the 1st multiplier , multiplying the first factor a morsel behind the second ingredient of every number , plus the next number ,
GHD Carry Case & Heat Mat, again falling . -
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 10 to enter 1 . -
School have to be referred apt the accounting huma
Linear Mode
