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Copiati,apoi scrieti in casuta semnul operstiilor matematice,astfel incat relatiile sa fie adevarate. Folositi parantezele,daca este cazul

3 3 3 3=10
4 4 4 4=10
2 8 9 3=19
2 8 9 3=7
2 8 9 3=10


Răspuns :

(3:3)+(3*3)=10          sper ca team ajutat
3 3 3 3=10....=>
3*3+3:3=10......adica......=>9+1=10

4 4 4 4=10...=>
(44-4):4=10.....adica......=>40:4=10.....sau...10=4+√4+4*√4=(44-4):4

2 8 9 3=19...=>
2*8+9:3=19.....adica......=>16+3=19

2 8 9 3=7....=>
2+8-9:3=7.......adica......=>10-3=7

2 8 9 3=10...=>
((2*8)-9)+3=10....adica......=>(16-9)+3=10....=> 7+3=10