: 1) , ;
2) .
3) ;
4) ;
5)
1.
2.
3.
4.
() 8, 3, 4, 6*.
3. 3, 6.
4. 1/200 1000.
1000: 200 = 5 ()
6*. , . (0, 0, 0).
, , : , . .
5.
() 1, 9, 5, 2, 7.
1. :
8000: 8 = 8 .: 8 = 1 . = 1000;
4200: 7 = 42 .: 7 = 6 . = 600 . .
2. .
1)320: 4 = 80 () II ( );
2)320 + 80 = 400 () I II ( )
80 5 = 400 () .
5. = 2300; k = 11 600.
7. , . , .
) =12 ; 12:2 = 6 () ; : 1 5 ; 2 4 ; 3 3 . .
) = 16 ; 16: 4 = 4 (). 4 .
) 10, 11.
10. 1 50 . .
1) 75 - 50 = 25 (/) ;
2) 50: 25 = 2 () .
7.
8.
85
. .
: 1) ;
2) .
3) ;
4) ;
5)
1.
2.
3.
4.
() 7, 5, 4*, 8.
4*. 34 ; (37 - 3 = 34). .
 |
34: 2 = 17 () ;
17 + 34 = 51 () .
5. .
 |
16 + 16 4 = 80 16 5 = 80
7. 218; 210 < 218 < 220.
|
|
|
8.
1) 60: 6 = 10 () ;
2) 45 + 10 =55 () .
5.
() 1, 2, 6, 3.
1. .
36 009: 9 = (36 000 + 9): 9 = 4000 + 1 = 4001;
12 800: 8 = (8000 + 4800): 8 = 1000 + 600 = 1600 . .
2.
1) 270: 10 = 27 (/) ;
2) 27-15 = 12 (/) .
/.
15 /: 15 60 = 900 /;
12 /: 12 60 = 720 /.
3. :
I 96 2 (12 8);
II 96 2 (12 8);
192 2(16 12);
V 112 2 (16 7);
V 80 2 (16 5).
6. .
) 9, 10.
9. 6 4 .
7.
8.
86
