Seudónimo Seudónimo
  • 14-10-2015
  • Mathematics
contestada


Explain how modeling partial products can be used to find the products of greater numbers.

Respuesta :

akiyama316
akiyama316 akiyama316
  • 22-09-2017
It is easier to multiply. For example: 63 multiply by 7
63 x 7 = (60+3) x 7 =  60 x 7 + 3 x 7 =  420 + 21  =  441

Another example : 25 x 73
25 x 73 = (20+5) x (70+3) = 20 x 70 + 20x3 + 5x70 + 5x3

                                         = 1400 + 60 + 350 + 15           =  1875


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