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Frog Year 4 Maths
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4
4
1 ( ) 2 ( , )
3 ( )
100,000 2.2 . . . . .2689 + 42375 = 45064
1 . 3 247 . 3 978 . ? , .
- 3247 - 3878
:
3 247+ 3 978 7 225 1 11 : 7225 - 3978 = 3247
2 . . .5 236 + 4 001 = 9 237
. . 3
10 892 . 809 210 . ?
12 859 , 20 000 , 19 804 . ?
11 892 13 900 . ? . .
. 16 397 . 18 669 23 964 . ?
... .
. 20071185520089064200929188 ... ? .