   100.       
 


   ,       3 . ,          ( ,      10,    0  ).    3-  (       ).





   100

      



 



 ,2019



ISBN978-5-4496-1225-0

     Ridero









    -      ,       .  ,     ,     .


      .      -          [1 -   :    (2- );  ;   3].

     ,       ,   .           .      (   ) ,    - (- ..).         (811).

              (     .          ( 3),        .           .               [2 -      ].

  ,       .      .




 





   1119


     ,      1119,    .

   (35)    .

     [11, 19]   .  ,     1,    1 .   (  ) ,    1 1.     :

1*1= (1+) *10+*= (1+) *10+*






 ,   [11,19]



  :

   [11, 19]    . ʠ       (        ).    10(  0)      .

     ,       ( =):

11


=11*11= (11+1) *10+1*1=120+1=121;

12


=140+2


=144;

13


=160+3


=169;

14


=180+4


=196;

15


=200+5


=225;

16


=220+6


=256;

17


=240+7


=289;

18


=260+64=324;

19


=280+81=361;

     ,     (1819),        .        .        ,  .

.

        .

  1 1  10+ 10+,   Ӡ    .

 (10+) * (10+) =100+10+10+*= (10++) *10+*.

  (10++)     10+  Ӡ      10+Ӡ   .     10     .       .




   ,  5


              10.            ,  5.

       . Π       .

  ,  ,  5:

5


=* (+1) *100+5


=* (+1)25






 ,  5



,    5,      1  ,    25.



1) 15


=1* (1+1) *100+5


=200+25=225;

2) 25


=2* (2+1) *100+5


=600+25=625;

3) 75


=7*8*100+5


=5600+25=5625;

4) 95


=9000+25;

5) 115


=11*12*100+25=13225

   100.             25:

85


=7225.

.

   5 10*+5,  -    (5 ,     ,  ).



5


= (10+5) * (10+5) =100


+50+50+5*5=100


+100+25=100* (+1) +25=* (+1) *100+25=* (+1)25




   2550


  ( , -)        [25;50].




  .


   .

   ,     (https://www.litres.ru/stanislav-baranov/tablica-kvadratov-chisel-do-100-za-nedelu-kak-vyuchit-kv/)  .

      Visa, MasterCard, Maestro,    ,   ,     ,  PayPal, WebMoney, ., QIWI ,       .



notes








1


  :    (2- );  ;   3




2


     


