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,, ''
3. ( )
:_____________________________________
1. 100 .
, .
? ?
2. :
+15 = 25 46 + = 50 78 = 70 26 = 20
5 = 50 6 = 24 : 3 = 7 45 : = 9
3. , 90 . 30,
25 . ?
: ,
4. 1 dm 7cm.
5. 11 , 14
25 . ?
6. :
24 + 6 9 =
5 6 + 13 =
:
2.1.1.
2.1.2. 100
2.1.4. , ,
2.3.2.
: ,
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