6. : x ž 26 = 130?
. 4 . 5 . 6
7. P = (a + b) 2
. . . .
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
| |||||||||
2
1. :
| 4 5 6 9 | 3 0 8 7 6 | 2 8 0 3 4 |
2. 1800 5 /. ?
3. 2 . 65 /, 85 /. ?
, . .
. .
4. :
) 83 ž 32 + 17 ž 32 ) (148 + 52) ž 15
5. : y ž 34 = 204?
. 4 . 5 . 6
7. P = a b
. . . .
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
| |||||||||
3
1. :
| 1 6 8 5 3 | 6 0 7 4 2 | 2 6 0 8 7 0 |
2. 3 4 . ?
3. . 350 . 75 /. 2 20 . ?
, . .
. .
4. :
) (275 + 125) ž 70 ) 127 ž 27 + 73 ž 27
5. : z ž 29 = 232?
. 7 . 8 . 9
6. a = S: b
. . . .
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
| |||||||||
|
|
|
4
1. :
| 2 4 7 5 6 | 9 0 4 7 8 | 6 8 0 2 3 0 |
2. 3 600 /. ?
3. . 2 70 . 80 /, 85 /. ?
, . .
. .
4. :
) 60 ž (149 + 251) ) 234 ž 12 + 234 ž 88
5. : m ž 47 = 329?
. 7 . 8 . 9
6. a = P: 4
. . . .
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
| |||||||||
1
1. :
481 ž 120 213 ž 124 804 ž 325
2. , 9 60 . , 6 ?
3. , 200 , 2 . 55 /. ?
4. 347 ž 784, .
. 7 . 4 . 8 . 1
5. , 85 ž 36 = 3060. 850 ž 360 = .
. 30 600 . 306 000 . 3 060 000
6. 295 ž 614?
. 1 800 000 . 180 000 . 18 000 . 1800
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
| |||||||||
2
1. :
214 ž 430 126 ž 321 504 ž 623
2. , 2 700 . , 9 ?
3. . 3 300 . 60 /. ?
4. 934 ž 849, .
. 1 . 6 . 7 . 9
5. , 78 ž 45 = 3510. 780 ž 450 = .
. 35 100 . 351 000 . 3 510 000
6. 314 ž 876?
|
|
|
. 2700 . 27 000 . 270 000 . 2 700 000
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
| |||||||||
3
1. :
3421 ž 150 276 ž 217 6390 ž 408
2. 3 150 . 18 ?
3. 4 . 500 . 70 /. .
4. 34175 ž 784, .
. 5 . 4 . 2 . 0
5. , 85 ž 36 = 3060. 85 ž 37 = .
. 3025 . 3097 . 3145
6. 220 ž 6840?
. 12 000 000 . 1 400 000 . 140 000
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
| |||||||||
4
1. :
4125 ž 230 628 ž 172 8150 ž 709
2. 4 , 480 . 60 ?
3. . 5 600 . 70 /. .
4. 4789 ž 678, .
. 1 . 2 . 8 . 9
5. , 85 ž 36 = 3060. 84 ž 36 = .
. 3024 . 2976 . 3144
6. 3150 ž 890?
. 2 700 000 . 24 000 000 . 240 000 000
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
| |||||||||
1
1. ?
. 3 2 . 3 2 . 3 2
2. 1 2 =
. 10 2 . 100 2 . 1000 2
3. 5 2 4 2 =
. 54 2 . 54 2 . 504 2
4. , 3 8 ?
. 24 2 . 76 젠 . 240 2 . 240 2
5. ?
. 80 2 + 40 2 > 1 2 . 80 2 + 40 2 < 1 2
6. 80 120 5 5 ?
. . . .
7. ?
(. .)
. 5 6 . 6 4
. 5 4 . 5 2
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% |
|
|
|
|
|
| |||||
2
1. ?
. 30 2 . 30 2 . 30 2
2. 1 2 =
. 100 2 . 10 2 . 100 2
|
|
|
3. 3 2 8 2 =
. 38 2 . 308 2 . 380 2
4. , 4 9 ?
. 36 2 . 49 2 . 98 젠 . 360 2
5. ?
. 130 2 40 2 > 1 2 . 130 2 40 2 < 1 2
6. 8 12 60 60 ?
. . . .
7. 1?
(. .)
. 4 2 . 4 3
. 6 2 . 6 3
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% |
|
|
|
|
|
| |||||
3
1. ?
. 120 2 . 120 2 . 120 2
2. 10 2 =
. 1 2 . 100 2 . 1000 2
3. 1 5 2 4 2 =
. 154 2 . 1504 2 . 1540 2
4. , 7 5 ?
. 35 2 . 35 2 . 350 2 . 114
5. ?
. 180 2 + 140 2 > 3 2 . 180 2 + 140 2 < 3 2
6. 70 70 5 5 ?
. . . .
7. 2?
(. .)
. 4 3 . 5 3
. 4 2 . 6 2
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% |
|
|
|
|
|
| |||||
4
1. ?
. 200 2 . 200 2 . 200 2
2. 10 2 =
. 100 2 . 1 2 . 1000 2
3. 28 2 7 2 =
. 287 2 . 2807 2 . 2870 2
4. , 4 6 ?
. 240 2 . 24 2 . 128 젠 . 240 2
5. ?
. 10 2 540 2 > 5 2 . 10 2 540 2 < 5 2
6. 12 12 60 50 ?
. . . .
7. ?
(. .)
. 4 5 . 4 6
. 5 6 . 5 2
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% |
|
|
|
|
|
| |||||
1
1. :
165: 45 844: 63
2. :
168: 28 432: 36 10 080: 48
3. 24 , 1 50 ?
4. : 4000: x 200 = 300.
5. 25?
. 0 . 1 . 10 . 25
6. 19 600: 56?
. . . . . . . .
7. (y 75)ž 25 = 1000. .
. y 75 = 1000: 25 . y = 1000 + 75
y 75 = 40 y = 1075: 25
|
|
|
y = y =
| 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% | ||
|
|
|
|
| ||||||||
2
1. :
220: 16 150: 37
2. :
370: 74 945: 45 64 800: 54
3. 2 50 . 15 ?
4. : 200 x: 17 = 30.
5. 16?
. 10 . 16 . 0 . 1
6. 266 000: 76?
. . . . . . . .
7. 1300: (75 z) = 25. .
. 75 z = 1300: 25 . z = 1300: 75
75 z = 52 z + 25 =
z =
