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3. :
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1000 =____ 6 =___
4. :
7 72 2 5 8
900 2 190
5. :
204+589 802-359
721-458 435+565
270+648 900-107
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684 2183 2104
354 1067 1205
986 1546 3603
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3 = 83 =
9 = 56 =
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8 9 = 47 =
2. : 32 = 17 + 43 = 90 93 = 54
33 = 51 28 + = 41 54 = 27
3. + 28 = 19, = 23, = 53, = 44
52 = 25, = 44, = 17, = 39
4. :
15 + 37 + 18 36 17 + 28 19 + 74 =
49 + 25 18 + 24 63 + 36 28 9 =
54 18 29 + 56 48 + 37 + 18 61 =
5. : (25 + 35): 10 70: 7 * 5 18: 2 * 10
(47 + 23): 7 60: 10 * 3 32: 4 * 3
30: (27 + 3) 20: 20 * 0 12: 3 * 6
5: (54 53) 50: 10 * 6 45: 9 * 7
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