. 1-2
I. :
) .
1. (5490 * 8+ 560490: 7): 3 + 36000: 20
2. 4045: 5+451*7 (729 - 642)
3. 1027 428+307*8 + (60005 - 5168):9
4. 7 * 607 19*7+904*(208 - 199)
5. 81308 3*(8856 - 8649)+54600:6
6. 8*703 312+72640: (400:50)+3009*40
7. (294*500 36960:5)* 4 359999
8. (27150:3*80 6389*6)+604*5
9. (418:418 0*75)*(62 - 62)+(89*1):89
10. 7000 4 750: 50 + (247 * 4 789)
) :
6487: _______=7 (.5) 40080: ________= 5 (.45)
_____: 360= 7 (. 28) 32063: 5= _____(. 3)
II. ) :
17 900 = 10 62=
35 = 㠠 125 =
876 . = . 4 600 =
453 .= . . 60 90=
1275 = 12 64 =
5627 = 젠 3 . 209 .= .
8052 = 8888 =
59 50 = 㠠 5 30 =
31 = 40 568 =
28 71 = 㠠 87 1 =
640 = 2 65 =
2 4 =젠 2 /3 =
9 . = 1/3 . =
5005 =젠 4 2 = 2
35 60 = 젠 25 2 =2
6 = ꠠ 4 3 =3
2505 = 젠 1016 2= 22
2 2 2 =ꠠ 302302= 2
) .
40 1641 6 40118
50 1451 4 562 6
3/5 650 젠 160 70 160700
9 1/8 180 80180800
426 4 7 26726
4/10 2/5 젠 3/4 34
1 20012 508 58
5 1178 51 178 젠 7 9709
435 4 350 젠 4 2 400 2
|
|
|
4 30043 6 6 6006
368368 70000 27 2
3 72 372㠠 2/4 30
) :
43 2 : 6 = 3 18 : 9 =
7 20 * 4 = 18 45 - 6 58 =
283 5 438 = 젠 5 39 + 8 48 =
6 28 - 472 = . 12 882 : 6 =
4 5 6+13 34= .. 㠠 3 607 * 9 = 젠
36 15 - 14 48 = 10 24 2 928 =
III. 蠠
1
60 2160 . 480 ., 9 ?
2
6 432 . , . ?
3
4560 80 3840 60 . , ?
4
420 , 140 , . 2 , . ?
5
876. , . ?
6
567 , 3 . 6 , . ?
7
12 600 . 8 . 40 . ?
8
72 8 . 3 , ; 19 , . ?
9
1245 . , 3 , . ?
10
30 , 15 .
764 . ,
2 ?
11
929 . 1 87 . 2 . ?
12
3 360. 2/3, 3/8 . ?
13
3 , 2 . 600 . ?
14
1440 . 8 , - 9 . ?
15
560 , 2 . , , . ?
|
|
|
16
945 . 1/5 . . ?
17
1/5 125 , 1/10 86 . ?
18
2 454 . 30 . 500 ?
19
280 . , , 30?
20
190 , - 230 . 840 . ?
IV. .
1
3 6 . 2/ 9 .
2
: 1 20 80 . .
3
, 45, 9. .
4
8 3 . , 4 2?
5
12 , 2 . 7 . S S ?
6
2 , .
7
, 64 . ?
8
12 6 , 24. S .
9
20 . , , 2 .
10
1 25, 5 . , .
11
. 21 . , 7
12
1 1 . 1 . ?
13
, .
14
. 840 , 1/ 8 . ?
15
, 35 . .
V.
)
795 = 453750 * 80 = 28320
: 204 = 1000:200 102050 = 9564
: 4200 = 900:150 3001 = 4999
328163 - = 2163 : 2700 = 6
+ 4326000 = 4328163 +2999 = 4001
76800: = 50 3079 = 5017
4089 = 6013 * 40 = 20760
504560: X = 8 x: 8 = 63070
8070 x = 2936 8 * x = 504560
498115 x = 58508 2010201 + x = 4935461
x + 616528 = 700000 y + 3698 = 10000
4 * x = 767520 6 * x = 15756
x * 8 = 400400 888880 - x = 29602
x + 90909 = 660066 707070: x = 70
) 160+480:= 400 320: (52- ) = 8
|
|
|
50 * - 72= 78 900: 50 =400
* 10: 370 =20 (+6882): 4= 2660
VI. .
1. :
)
) ࠠ
)
)
)
) ,
) , 5 7 .
2. 9. ?
3. 3 , 47500, 47800:
47605,47840,47602,47092,40780,47700.
) 6 ;
) 7099;
) 2/5 .
4. :
10 506, 263 0 31, 7 003 162, 8 500 235
5. , 5 , .
6. : 8043, 804, 8034, 8403, 80043, 8304.
) 500 ;
) ;
) , 80400
7. , 1,0,5 ( )
8. 17438 4 6. ?
9. 346070 4 1. ?
10. , 2.
