Մաթեմատիկա 09․03․2021

Համեմատեք   կոտորակները․

7   5      1+5           6

– + – = ––––– = ––––

6    3        6           6

6      3                                                                     3      3

2      2                                                                     1

1

                      [2×3=6]

2   1      4+1          5

– + – = ––––– = –––

3    2        6           6

3      3                                                                      2        2

1                                                                              1

                                  [3×2=6]

21    32    15+32    47

–– + –– = ––––   = ––––

22    33      16           16

22           11                                                                          33       11

2               2                                                                            3         3

1                                                                                             1

[2x3x3=16]

15    21     23          23

–– + ––= ––––– = ––––– 

17     20    32              32

17      17                                                                     20      5

1                                                                                    4        2

                                                                                      2        2

                                                                                     1

[4x2x2x2=32]

37     47     32+47        79

––  + –– = –––––– = ––––––

63     69        69            69

63              63                                                                                                                   69      3

1                                                                                                                                        63

[63×3=69]

28   37     48+37      115

–– + –– = –––––– =––––

72     81       76          76

72           2                                                                               81   81

36          6                                                                                 1

6            3

2            2

1

[2x2x3x6=76]

27    48

–– + ––– = –––=––––

95     125

95    5                                                                                      125      25

19    19                                                                                      5         5

1                                                                                                 1

[5x5x5x25=3125]

67       8        1264+8                1272 

––– + –– = –––––––––––– =––––––––––

121    11      1331                         1331

121    121                                                                               11   11

1                                                                                                   1

[121×11=1331]

Գրեք  7   – ից  մեծ այն բոլոր կոտորակները, որոնց համարիչը 7 է ․

          –––

           11

7                                             7                                        7                                      7

–                                             –                                       –                                       –

12                                          13                                     14                                     15