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Calculează : 6000+2800=..........
731+1240=..........
4546-3213=.........

4146+3540=...........
2421+2421=.............
9999-7654=.............

1112+2310+3564=........
9564-5132-2211=.......
8905-2705+1504=.....


Răspuns :

8800
1971
1333
7686
4842
2345
6986
2221
7704
6000+2800=8800
731+1240=1971
4546-3213=1333
4146+2421=6567
2421+2421=4842
9999-7654=2345
1112+2310+3564=6986
9564-5132-2211=2221
8905-2705+1504=7704.
Sper ca te -am ajutat!