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Multiplication (Speed Math)
Multiplication by nines
Multiplication by ones
Multiplication using a base - part 1
Multiplication using a base - part 2
Direct multiplication
Multiplication by drawing lines
Special Multiplication - 1 (multiplication of equal-digit numbers when left part is common and sum of right parts is a power of ten)
Special Multiplication - 2 (multiplication of two-digit numbers when units digits are same and sum of tens digits is ten)
Note:
speed math calculator
supports all the methods mentioned above.
Comments(14)
Ravi
2013-12-24 07:51:18
its wrong manpreet ....Please rectify...
its wrong manpreet ....Please rectify...
0
0
rajesh
2015-07-28 21:24:40
ravi that process is correct for any 2 digit number
ravi that process is correct for any 2 digit number
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Rachit
2013-11-03 03:41:20
multiplying two numbers
lets multiply
76
87
first *first=7*8=56
sec*sec =6*7=42
cross multiply=7*7+8*6=97
56 97 42
56=10,(9+1=10 will carry,)7+4=11 1 will carry ,2
66,1,2
start adding from right to left
6612
multiplying two numbers
lets multiply
76
87
first *first=7*8=56
sec*sec =6*7=42
cross multiply=7*7+8*6=97
56 97 42
56=10,(9+1=10 will carry,)7+4=11 1 will carry ,2
66,1,2
start adding from right to left
6612
0
0
reply
Ravi
2013-12-24 07:50:23
please elaborate while calculating "56=10,(9+1=10 will carry,)7+4=11 1 will carry ,2"...thank you in advance
please elaborate while calculating "56=10,(9+1=10 will carry,)7+4=11 1 will carry ,2"...thank you in advance
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0
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