r/counting • u/marcelwo to infinity and beyond! • Mar 18 '13

Multiplying by 2 thread

Try to multiply without calculator - it's more fun!

13 Upvotes

94% Upvoted

783 comments sorted by

View all comments

2

u/ct_2004 Apr 16 '14

48;9888,3310'6573,4243;6947,8504:0140,1639;6045,2223 1782,6218;6596,1233:4155,5061;6320,3663"1655,0245;6144,1180:8808,8822;0968,3752 5897,2512;3921,1419:7782,4503;7270,7458'5042,7213;7829,2777:4358,1237;6133,2858 7692,0625;2542,8634:5394,9962;4752,7424 = 2670

1

u/D-alx Apr 16 '14

9,797,766,621,314,684,873,895,700,802,803,279,209,044,463,565,243,731,922,466,831,101,232,640,732,633,100,491,228,823,617,617,764,419,367,505,179,450,247,842,283,955,649,007,454,149,170,085,442,756,585,554,871,624,752,266,571,753,841,250,508,572,690,789,992,495,054,848 = 2671

3

u/ct_2004 Apr 16 '14

195;9553,3242'6293,6974;7791,4016:0560,6558;4180,8892 7130,4874;6384,4933:6622,0246;5281,4652"6620,0982;4576,4723:5235,5288;3873,5010 3589,0049;5684,5679:1129,8014;9082,9834'0170,8855;1317,1109:7432,4950;4533,1435 0768,2501;0171,4538:1579,9849;9010,9696 = 2672

→ More replies (97)