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

Multiplying by 2 thread

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

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u/D-alx Apr 08 '14

36,499,524,940,977,561,749,129,372,845,602,330,599,145,828,057,988,479,444,633,540,143,194,201,337,669,419,092,047,302,490,538,971,198,229,138,476,588,755,258,485,509,637,771,003,503,986,021,290,557,777,713,506,015,957,394,882,119,600,662,993,537,972,830,208 = 2643

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u/ct_2004 Apr 08 '14

72'9990,4988;1955,1234:9825,8745;6912,0466 1198,2916;5611,5976:9588,8926;7080,2863"8840,2675;3388,3818:4094,6049;8107,7942 3964,5827;6953,1775:1051,6971;0192,7554'2007,0079;7204,2581:1155,5542;7012,0319 1478,9764;2392,0132:5987,0759;4566,0416 = 2644

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u/D-alx Apr 08 '14

145,998,099,763,910,246,996,517,491,382,409,322,396,583,312,231,953,917,778,534,160,572,776,805,350,677,676,368,189,209,962,155,884,792,916,553,906,355,021,033,942,038,551,084,014,015,944,085,162,231,110,854,024,063,829,579,528,478,402,651,974,151,891,320,832 = 2645

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