- ; - . , ,
http://www.saidova-viknik.ru/
: 14


:    ;

;

, ;

;

, , .

: , , , , .

I. .

,

II. .

1. C:

1178

)11 2/7 + 4 3/7 – 6 4/7 = 9 1/7
) 26 7/19 – 13 4/19 + 5 2/19 = 18 5/19
) 44 2/9 + 8 5/9 – 7/9 = 52
) 5,7 + 3,9 + 1,3 = 10,9
) 3,17 – 2,13 – 1 = 0,04
) 8 – 4,31 – 2,57 =1,12

1224

) 3/5 + = 4/5, = 1/5
) – 2/7 = 6/7, = 1 1/7

2. :

) ?
) 1?
) ?
) 1?   5/6,7/7,2/5,3/10,13/10,18/5
) () ?
) ?
) ?
) () ;
) () ?

3. “ ” ( ).

,

1. : 7/8, 11/11, 9/4, 16/9, 3/5, 6/13 .

2. 1.

3. :

19/8
16/5
25/4
27/11

4. :

2 3/7
5 2/3
9 1/12
8 3/7

5. 2 : 1 :

2 = 1/2 + 1/2 + 1/2 + 1/2
1 = 1/4 + 1/4 + 1/4 + 1/4

– . . , .

5. :

 

4 11/37

 

+

 

8 2/37

 

5 27/37

 

(8 9/37 + 4 11/37) – 5 27/37= 6 30/37

III. .

– ( ).

20 11/170 + = 3 14/17 (*)
= 1 3/17

5 – = 3 6/19 (**)
= 1 13/19

(12 12/13 + ) – 9 9/13 = 7 2/13 (***)
= 3 12/13

IV. .

– . 241 1092. (5 )

(4 3/10 –1 1/10) + 4 3/10 = 7 5/10 ()
4 3/10 – 1 1/10 = 3 2/10 ()
3 2/10 + 4 3/10 = 7 5/10 ()
: 75

– , ?

, . .

– , : 2 . ? (3)

– , :

            

            

– : . 29 (), 1109, 1110, 1111 ( 1101)

V. .

– 5 (4 ), .

1

2

3

4

1 2 3 4

1 2 3 4

1 2 3 4

1 2 3 4

 

 

1.

1. : 3  – 1

1) 2 6/9;
2) 2 4/9;
3) 2 4/18;
4) 2;

2. : 5 5/17 + 3 4/17

1) 8 9/17;
2) 8;
3) 8 9/34;
4) 8 1/17;

3. : – 1 2/11 = 4 7/11

1) 3 5/11;
2) 5 5/11;
3) 3 9/11;
4) 5 9/11;

4. : + 8 4/19 = 12 10/19

1) 20 14/19;
2) 20 6/19;
3) 4 6/19;
4) 4 14/19;

 

3.

1. : 15 5/9 – 13 1/9

1) 2 4/18;
2) 2 4/9;
3) 2;
4) 2 3/9;

2. : 6 3/17 + 2 6/17

1) 8 9/17;
2) 8 3/17;
3) 8 9/34;
4) 8;

3. : + 2 1/11 = 7 10/11

1) 3 9/11;
2) 9 9/11;
3) 10;
4) 5 9/11;

4. : 2 3/19 + = 6 9/19

1) 4;
2) 8 12/19;
3) 4 6/19;
4) 4 12/19;

 

2.

1. : 6 7/9 – 4 3/9

1) 2;
2) 2 4/9;
3) 2 5/9;
4) 2 4/18;

2. : 7 4/17 + 1 5/17

1) 8 9/17;
2) 8 9/34;
3) 8;
4) 8 8/17;

3. : 12 – = 6 2/11

1) 5 5/11;
2) 3 9/11;
3) 3 5/11;
4) 5 9/11;

4. : – 1 2/19 = 3 4/19

1) 2 2/19;
2) 4 2/19;
3) 4 6/19;
4) 2 6/19;

 

4.

1. : 21 6/9 – 19 2/9

1) 2 5/9;
2) 2 4/9;
3) 2 1/9;
4) 2 4 /18;

2. : 4 6/17 -+ 4 2/17

1) 8 9/17;
2) 8 1/17;
3) 8 4/17;
4) 8 9/34;

3. : 8 2/11 + = 14

1) 5 6/11;
2) 6 2/11;
3) 22 2/11;
4) 5 9/11;

4. : 15 – =10 13/19

1) 5 13/19;
2) 25 13/19;
3) 4 6/19;
4) 5 6/19;

 

– “ “, “5”. .

VI. . .