2
1. :
69 391 23 404 + 3395
2. 20 000 . 850 . ?
3. ( ):
) 18 000 + x = 64 090 ) y 54 715 = 15 285
4. 27 145 27 145: 1 =...
. 0 . 1 . 27 145
5. :
160 × 20 (16 + 456: 4)
. × +: . ×: + .: × + .: + ×
6. 900 (150 + x) = 250
. 150 + x = 900 + 250 . x = 250 150
. 150 + x = 900 250 . x = 900 150
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
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3
1. :
148 030 67 463 + 8567
2. 15 000 . 5600 , 4800 , . ?
3. ( ):
) 100 000 x = 45 678 ) y 436 475 = 563 525
4. 15 600: 100 155 ž 1 =...
. 15 600 . 100 . 1 . 0
5. :
389 + (208 160: 4) × 3
. : × + .: × + . + : × .: + ×
6. 460 + (x 90) = 830
. 460 + x = 830 + 90 . x 90 = 460 830
. x 90 = 460 + 830 . x 90 = 830 460
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
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4
1. :
687 349 + 72 669 6789
2. 25 000 . 13 400 , 9800 , . ?
3. ( ):
) x 271 360 = 628 640 ) 211 102 y = 185 300
4. (32 000 80 ž 400): 123 456
. 32 000 . 0 . 1 . 123 456
5. :
160 + 20 × (456: 4 35)
. ×: + .: × + .: + × . + ×:
6. (150 + x) 90 = 250
|
|
|
. x = 150 90 . 150 + x = 250 90
. x = 250 + 90 . 150 + x = 250 + 90
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
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1
1. 5 8 =...
. 58 젠 . 58 젠 . 580 젠 . 580
2. 70340 =...
. 70 34 젠 . 7 34 젠 . 7 340 . 70 340
3. 3 4 , 43 . ?
. . . . . .
4. 38 40 + 52 70 =...
. 90 . 91 젠 . 90 110 젠 . 91 10
5. 18 300 600 =...
. 17 700 젠 . 17 300 젠 . 16 300
6. 54 48 . 2 , ?
. . . . . .
7. 1 8 . ...
. 1 . . 1 .
. 1 . . .
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% |
|
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2
1. 7 4 =...
. 74 젠 . 74 젠 . 74 젠 . 740 젠
2. 50820 =...
. 50 82 젠 . 5 820 . 50 820 . 5 82
3. 4 5 , 54 . ?
. Ƹ. . . . .
4. 17 60 + 23 70 =...
. 40 . 40 130 젠 . 41 30 젠 . 41 130
5. 12 400 800 =...
. 11 400 젠 . 11 600 젠 . 10 600
6. 25 23 . 10 , ?
. . . . . .
7. 2 6 . ...
. 1 . . 1 .
. 1 . . .
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% |
|
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|
|
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3
1. 1045 =...
. 10 45 . 10 45 . 104 5 젠 . 1 45 젠
2. 300090 =...
. 30 90 . 30 900 . 300 90 . 300 900
3. 8 4 , 54 , 12 . ?
. . . . . .
4. 26 + 48 =...
. 30 8 . 26 48 . 74 젠 . 74
5. 25 1 600 =...
. 24 600 젠 . 23 600 젠 . 23 400
6. 5 8 8 4 . 5 , ?
. . . . . .
7. 28 . ...
. 1 . . 10 .
|
|
|
. 100 . . 10 .
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% |
|
|
|
|
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4
1. 1405 =...
. 140 5 . 140 5 . 14 5 젠 . 14 5 젠
2. 600070 =...
. 60 70 . 600 70 . 6000 70 . 60 700
3. 48 , 10 , 5 2 ? ?
. . . . . .
4. 27 + 43 =...
. 70 . 70 . 31 3 젠 . 45 7
5. 30 5 800 =...
. 25 800 젠 . 25 200 젠 . 24 200
6. 1 8 3 7 . 8 , ?
. . . . . .
7. 28 . ...
. 1 . . 10 .
. 100 . . 10 .
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% |
|
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|
|
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1
1. :
60 ž 40 120 ž 30 12 000 + 500 ž 60
300 ž 90 15 ž 400 20 ž 4000 3500
2. :
21 065 ž 7 9840 ž 8 2130 ž 60
3. 420 . 4 85 /, . ?
4. 240 , 3 . .
5. , , :
16 ž 40
. . . . . . . .
6. a ž 185 a = 20
. 370 . 3700 . 37 000
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
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|
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2
1. :
700 ž 50 240 ž 20 80 ž 50 + 20 000
80 ž 90 13 ž 300 40 000 30 ž 500
2. :
17 049 ž 4 1860 ž 4 1970 ž 50
3. 400 . , 3 65 / . ?
4. 70 , 35 . .
5. , , :
60 ž 230
. . . . . . . .
6. b ž 245 b = 4
. 980 . 9800 . 98 000
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
|
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3
1. :
500 ž 40 280 ž 300 300 ž 400 + 500 ž 80
600 ž 700 250 ž 50 6000 ž 80 30 ž 900
2. :
20 245 ž 6 34 076 ž 40 8090 ž 300
|
|
|
3. 4 45 /, 9 . ?
4. . 480 , 6 . .
5. , , :
165 ž 40
. . . . . . . .
6. d ž 148 d = 500
. 7400 . 74 000 . 740 000
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
|
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4
1. :
80 ž 5000 40 ž 350 60 ž 500 + 500 ž 700
900 ž 400 140 ž 500 700 ž 400 90 ž 600
2. :
84 037 ž 9 13 704 ž 70 6070 ž 600
3. 4 75 /, . 6 , . ?
4. 360 , 140 . .
5. , , :
500 ž 380
. . . . . . . .
6. m ž 325 m = 400
. 1300 . 13 000 . 130 000
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
|
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1
1. 63 049: 7 ...
. 6 . 7 . 8 . 9
2. 64 568 4?
. . . . . . . .
3. 3 6000 . . - 4 . -?
. 2000 . . 4500 . . 5000 .
4. , : 78982
... 6
. 4 . 6 . 3 463892
5. .
850 60 ...
. . . . . .
6. x ž 9 90 = 360.
. x ž 9 = 360 . x ž 9 = 360 + 90
. x ž 9 = 360 90 . x = 360: 9
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
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2
1. 36 098: 4 ...
. 6 . 8 . 9 . 0
2. 27 645 5?
|
|
|
. . . . . . . .
3. . , 8000 .?
. 12 000 . . 16 000 . . 24 000 .
4. , : 96746
... 8
. 9 . 3 . 2 723968
5. .
450 50 ...
. . . . . .
6. x ž 8 + 60 = 480.
. x = 480: 8 . x ž 8 = 480 + 60
. x = 480 60 . x ž 8 = 480 60
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
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3
1. 163 049: 7 ...
. 1 . 2 . 7 . 0
2. 264 568 4?
. . . . . . . .
3. 1800 . 50 . ?
. 1000 . . 1200 . . 1750 .
4. , : 34 548
... 7
. 0 . 8 . 6 240836
5. .
850 600 ...
. . . . . .
6. 360 + x ž 9 = 90.
