| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
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3
1. :
450: 56 1378: 64
2. :
315: 35 342: 18 24 440: 47
3. 5 , 14 . , 2 ?
4. : 75ž (80 x) = 1500.
5. ?
. 64 50.
. 64 64.
. 64 64.
6. 54 810: 630?
. . . . . . . .
7. m ž m + m = 2?
. 0 . 1 . 2 . .
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
|
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4
1. :
224: 39 1200: 78
2. :
282: 47 812: 58 76 800: 64
3. 192 2 . , 15 ?
4. : (y +50): 25 = 150.
5. ?
. 99 99.
. 99 90.
. 99 98.
6. 406 700: 490?
. . . . . . . .
7. k ž k k = 2?
. 0 . 1 . 2 . .
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
|
| ||||||||
1
1. :
10 626: 46 65 520: 130 536: 134
2. 160 1 . 1 ?
3. 1940 . 890 . ?
4. : 800 x: 15 = 20.
5. 40 565: 305
. 4 . 3 . 2 . 1
6. 27 434: 638?
|
|
|
. . . . . . . .
7. 16 8 , 10 5 .
. .
. .
. .
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
|
| ||||||||
2
1. :
16 536: 53 65 280: 160 1120: 224
2. 48 . , 672 ?
3. , 1925 . 1670 ., 15 . ?
4. : 330 + 600: x = 450.
5. 92 862: 402
. 9 . 4 . 2 . 0
6. 93 024: 456?
. . . . . . . .
7. 1000 4 , 1500 3 .
. .
. .
. .
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
|
| ||||||||
3
1. :
24 050: 74 79 820: 260 5592: 233
2. 120 2 . 5 , 7 ?
3. 12 5 346 . 26 . 1 ?
4. : (600 + x): 30 = 45.
5. 504 680: 74
. 1 . 5 . 6 . 7
6. 68 441 89?
. 10 100. . 1000 10 000.
. 100 1000. . .
7. 16 8 , 20 . (16 + 20) ž 2
. 2 .
. 8 .
. 2 .
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
|
| ||||||||
4
1. :
21 242: 86 55 350: 270 8856: 246
2. 120 . 14 400 , 8 ?
3. 7 217 . 16 . 1 , 35 . 1 . ?
4. : 32 (342 x) = 6400.
|
|
|
5. 458 200: 790
. 5 . 6 . 4 . 7
6. 56 550 870?
. 10 100. . 1000 10 000.
. 100 1000. . .
7. 300 1 , 200 . (300 + 200) ž 2
. 2 .
. 8 .
. 2 .
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
|
| ||||||||
1
1. 2 45 =
. 245 . 165 . 145
2. 10 . 12 . 4 ?
A. 10 + 12 . 10 + 124 . (10 + 12)4
3. 1 45 + 55 =
. 2 . . 2 30 . . 2 40
4. ?
. 35 6 > 3 . 35 6 < 3
5. 1/4 , 3/4 . .
렠 ?
. 15 . 30 . 45
렠
6. , 96 , . 35 /, 40 /.
, .
. . . .
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
|
| ||||||||
2
1. 3 15 =
. 135 . 315 . 195
2. . 6 , 7 . 5 ?
A. 65 + 75 . 6 + 7 . 6 + 75
3. 1 30 55 =
. 35 . 25 . . 1 25
4. ?
. 45 6 > 5 . 45 6 < 5
5. 1/3 2/3 . .
 |
蠠 ?
. 40 . 30 . 20
6. . 35 /, 40 /. 150 .
, .
. . . .
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
|
| ||||||||
3
1. 4 57 =
. 297 . 5 . 457
2. 20 , 35 . 440 ?
A. 440: 20 + 35 . 440: (20 + 35) . (20 + 35)440
|
|
|
3. 1 40 + 2 35 =
. 3 75 . 4 75 . 4 15
4. ?
. 1 15 6 > 7 . 1 15 6 < 7
5. 1/8 , 3/8 4/8 . .
?
렠 . 3 . . 9 . 12
렠
6. . 70 /, 80 /.
. 150 /. . 150 /.
. 10 /. . 10 /.
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
|
| ||||||||
4
1. 3 48 =
. 348 . 228 . 168
2. 35 , 10 . 50 ?
A. (35 + 10)50 . 3550 10 . 3550 1035
3. 2 15 1 40 =
. 35 . 1 35 . 1 25
4. ?
. 1 25 5 < 7 . 1 25 5 > 7
5. 1/6 , 2/6 , 3/6 . .
?
젠 . 12 . 15 . 30
堠
6. 70 /. 90 /.
. 20 /. . 160 /.
. 160 /. . 20 /.
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
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| ||||||||
1
1.
. 10 . . 10 . . 100 .
2. : 345 768 > 345 678?
A. . . .
3. , 9 . ,
. 3 ࠠ . 9 ⠠ . 27
4. 12 45 17 10 . ?
. 5 35 . 5 55 . 4 25
5. 3 8 . , .
. 4 㠠 . 8 㠠 . 24
6. 10 100?
. . . . . .
7.
. 10000 . 99999 . 100000
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
|
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|
|
|
2
1.
. 100 . . 100 . . 1000 .
2. : 279 340 < 279 304
A. . . .
3. , 8 . ,
. 4 ࠠ . 40 ⠠ . 20
4. 12 45 17 10 . ?
. 17 10 . 4 30 . 5 45
5. 6 20 . , .
. 12 㠠 . 120 㠠 . 24
6. 1 100?
. . . . . .
7.
. 10000 . 99999 . 10001
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
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3
