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Математикалык кече
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0,578 + 0,172 =
0,750
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Okay!
68
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Okay!
15х + 6х + 4х -30х =
-5х
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Okay!
35
Oops!
Okay!
20
Oops!
Okay!
- 15 + 7 =
-8
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Okay!
5а + 7а + 2х-5х + 4а =
16а - 3х
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Okay!
4-5x=12-3x
-4
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Okay!
76
Oops!
Okay!
10b+7=8b-9
-8
Oops!
Okay!
1,44 : 3,6
0,4
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Okay!
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