1,2,3, 4, 5, 6*.
1. .
2. : 1 =1000 ,
1. II.
.
3.
4. .
5. , 7 , 5 . , 3 , 3 . (10 , 2 .) . ?
72 +52 = 14+ 10 = 24 ()
?
(10 + 2) 2 = 12 2 = 24 ()
? (.) , 3 , 3 . ? (4 , 8 .) .
(4 + 8) 2 = 122 = 24 ()
? ( 3 , . 3-3 = 0 (). .)
6*. : ; 3 200 ; ; 2 400 .
, .
. (2 400 ) )
|
3 200 ? (, , 3
200 .)
) , 3 200 , 2 400?(, ( 3
200 ), ( 2 400 ),
(?) .(3200) ) , 2 400 ? (, , 2 400 .)
.
.
8, 9. 8.
| 100 . |  ??
?
| ||
| 150 . |
. .(.38-39)
: 1) ;
2) .
3) .
.
.
3. .
6.()
6. .
.
.
2, 1,3, 4, 5*.
1. .
|
2. 220 , 80 , . , 720 ?
720 - (220 + 80 + 220) = 200 () , .
|
|
|
720 - 220 - (220 + 80) = 200 ()
3. .
| 43: 8 = 5 (. 2), 2 < 8, , 85 + 2 = 42, 42≠43 . |
60: 9 = 6 (. 5);
5 < 9, ,
96 + 5 = 59,
59 ≠ 60 .
34:7 = 3 (. 9),
9 > 7, .
