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3. 0,3+0,3•10-2,65= 4. 0,2•4,6+5,2:10 5. 2,39-0,45•2,8+0,11= 6. 10•2,3+100•0,0256-19,209= 7. 1,3+0,3•10-0,5•1,7= 8. 32,4:18+(0,6)^2-1,75 9. 2,17+(1,8+0,504):0,9 10. (0,1+6,25)•0,2-4:5= 11. (2,7:0,3-3,4:1,7):3,5+1,24= 12. [3,1-(1,7+3,2)•0,5]•0,1= 13. [0,19+(4,8-3,9)•0,9]:2= 14. [0,25+(2,5-1,75):0,25]•100= 15. [(3,5+5,6-4,75):6+0,275]:10= 16. 0,05:0,001-(5,87-4,9)•10-(1,2+3,56)•2= 17. (0,1)^2•10+[(0,12+0,02)•0,25+1,965]•0,9=
va rog frumos dau coroana repede va rog!!!!​

Răspuns :

Gherghescuraulid

Răspuns:

3. 0,3+3-2,65=0,65

4. 0,92+0,52=1,44

5. 2,39-1,26+0,11=1,24

6. 23+2,56-19,209=6,351

7. 1,3+3-0,85=3,45

8. 1,8+(3/5)^2-1,75=1,8+9/25-1,75=1,8+0,36-1,75=0,41

9. 217/100+1684:9/10=217/100+421/250*10/9=217/100+421/25*1/9=217/100+421/225=3637/900

10. 6,35*0,2-0,8=1,27-0,8=0,47

11. (9-2):3,5+1,24=7:3,5+1,24=2+1,24=3,24

12. (3,1-4,9*0,5)*0,1=(3,1-2,45)*0,1=0,65*0,1=0,065

13. (0,19+0,9*0,9):2=(0,19+0,81):2=1:2=0,5

14. (0,25+0,75:0,25)*100=(0,25+3)*100=3,25*100=325

15. (4,35:6+0,275):10=(0,725+0,275):10=1:10=0,1

16. 50-0,97*10-4,76*2=50-9,7-9,52=30,78

17. 10^-2*10+(0,32*0,25+1,965)*0,9=10^-1+(0,08+1,965)*0,9=1/10+2,045*0,9=1/10+1,8405=1/10+3681/2000=3881/2000

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