muliply by 11s, 55s, 77s, 88s, 99s
DESCRIPTION
TRANSCRIPT
Number Theory
GROUP 3th
1.RIZKY TITIE R . (110210101029)2.SHOFIA HIDAYAH (110210101036)3.MARLIA SARI P . (110210101087)
Math TrickMath TrickMultiply byMultiply by
11s11s
55s55s
77s77s
99s99s
88s88s
362537892 x 11 = …39878(10)(15)(17)(11)23987916812
So, 362537892 x 11 = 3987916812
Math TrickMath TrickMultiply byMultiply by
11s11s
55s55s
77s77s
99s99s
88s88s
625178342 x 55 = …30(40)(35)(30)(40)(75)(55) (35)(30)1034384808810
So, 625178342 x 55 = 34384808810
Math TrickMath TrickMultiply byMultiply by
11s11s
55s55s
77s77s
99s99s
88s88s
934358621 x 77 = …63(84)(49)(49)(56)(91)(98) (56)(21)771945613817
So, 934358621 x 77 = 71945613817
Math TrickMath TrickMultiply byMultiply by
11s11s
55s55s
77s77s
99s99s
88s88s
7464153246 x 88 = …56(88)(80)(80)(40)(48)(64) (40)(48)(80)(48)656845485648So, 7464153246 x 88 = 656845485648
Math TrickMath TrickMultiply byMultiply by
11s11s
55s55s
77s77s
99s99s
88s88s
62534253722 x 99 = …54(72)(63)(72)(63)(54)(63) (72)(90)(81)(36)(18)6190891118478So, 62534253722 x 99 = 6190891118478
Math TrickMath TrickMultiply byMultiply by
11s11s
55s55s
77s77s
99s99s
88s88s
THANK YOU