3+12:2 | 96+18:9-76 |
55-2×3 | 5×9-24:4 |
9×(5-3) | 7×5+(80-55) |
(41+3):4 | 85+3×(6-2) |
9×(8-5):3 | (64+4×8):2 |
4+40:8 | 74+24:3-75 |
48-5×9 | 3×4-54:9 |
4×(4-2) | 7×6+(32-13) |
(86+5):7 | 74+2×(7-5) |
5×(6-4):2 | (60+4×3):6 |
5+12:2 | 60+39:3-61 |
22-4×5 | 6×2-28:4 |
6×(8-2) | 9×4+(71-17) |
(54+9):9 | 24+6×(5-2) |
2+20:4 | 5×(9-7):2 |
65-4×4 | (51+9×3):6 |
9×(9-2) | 70+72:9-75 |
(21+9):3 | 9×8+(45-22) |
9×2-44:4 | 50+4×(8-5) |
5×(7-4):3 | (74+2×5):3 |
5+48:8 | 56+72:2-23 |
95-6×2 | 9×8-28:2 |
3×(8-3) | 4×9+(47-12) |
(73+5):6 | 76+6×(9-5) |
4×(7-2):5 | (36+4×7):2 |
8+80:5 | 78+88:4-21 |
82-4×2 | 2×7+(70-30) |
4×(5-2) | 75+2×(8-6) |
(36+9):5 | 6×(9-4):5 |
9×5-96:6 | (24+6×7):3 |
1.
42: 6 + (19 + 6): 5 6 2
(27 19) 4 + 18: 3 + (8 + 27): 5 17
60 (13 + 22): 5 6 4 + 25
2.
(82 74): 2 7 + 7 4 19 + (63 27): 4
(91 83) 3: 4 + 12: 6
32: 8 + (27 + 15): 6 + 8 5
3.
9 5 36: 6: 2 (38 23): 5
90 (40 24: 3): 4 6 + 3 5
3 4 + 9 6 (27 + 9): 4 5
4.
(50 23): 3 + 8 5 6 5 (26 16) 6
(5 6 3 4 + 48: 6) + (82 78) 7 13
(69 45): 3 2 + (43 34) 2
5.
9 6 6 4: (33 25) 7
(5 9 25): 4 8 4 7 13
3 (12 8): 2 + 6 9 - 33
6.
(76 (27 + 9) + 8): 6 4
9 (2 3) 48: 8 3 + 7 6 34
(7 4 + 33) 3 6: 2
7.
(9 4 6 5) 4 42: 7 + (60 11)
7 6 + 9 4 (2 7 + 54: 6 5)
(37 + 7 4 17): 6 + 7 5
33 + 9 3 (85 67): 2 6
8.
28: 4 + 27: 3 (17 + 31): 6
54: 9 + (8 + 19): 3 32:4
(8 6 36: 6): 6 3 + 5 9
21: 7 + (42 14): 4 (44 14): 5
9.
8 5 (60 42): 3 + 9 2
5 7 + (18 +14): 4 (26 8): 3 2
(58 31): 3 2 + (58 16): 6
1. .
1.1) 35: 5 + (23 + 7): 5 3 * 4 =
1.2) (39 19) * 3 + 24: 3 + (9 + 36): 5 13 =
1.3) 760 (14 + 31): 5 6 * 3 + 41 =
1.4) (52 34): 2 * 8 + 7 * 3 13 + (64 44): 4 =
1.5) (87 79) * 9: 3 + 9 * 6 =
1.6) 45: 9 + (13 + 22): 5 + 4 * 6 =
1.7) 8 * 5 14: 7: 2 (42 24): 6=
1.8) 70 (15 + 24: 3) + 4 * 3 + 8 * 2=
1.9) 5 * 3 + 7 * 4 (1 + 9): 2 * 6 =
2. .
2.1) 3 + 6: 3 + 3 * 3 = 6
2.2) 3 + 6: 3 + 3 * 3 = 14
2.3) 3 + 6: 3 + 3 * 3 = 12
2.4) 3 + 6: 3 + 3 * 3 = 18
3. .
3.1) 5 + 5 - 5 * 5 + 5 =
3.2) 5 + 5 - 5 * 5 + 5 =
3.3) 5 + 5 - 5 * 5 + 5 =
3.4) 5 + 5 - 5 * 5 + 5 =
3.5) 6 * 6 - 6 + 6: 6 =
3.6) 6 * 6 - 6 + 6: 6 =
3.7) 6 * 6 - 6 + 6: 6 =
3.8) 6 * 6 - 6 + 6: 6 =
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3.9) 7 - 7 * 7 + 7: 7 =
3.10) 7 - 7 * 7 + 7: 7 =
3.11) 7 - 7 * 7 + 7: 7 =
3.12) 7 - 7 * 7 + 7: 7 =
4. .
4.1) 12: 4 + 56: 7 - 36: 6 + 13 =
a) __________
) __________
) __________
) __________
4.2) 32 + 18: 3 + 14 * 3 + 81: 9 =
a) __________
) __________
) __________
) __________
4.3) 56: 8 + 8 * 5 - 72: 8 =
a) __________
) __________
) __________
) __________
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6 + 4 + (3 + 2) = 6 + (4 + 3) + 2 = (6 + 4) + 3 + 2 = 15
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AB = 3 , BC = 7
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KE = 7
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PEKFM= 4 7 = 28 ()
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