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Espressioni numeriche svolte passo passo, con numeri interi, frazioni, numeri decimali, periodici e non, numeri relativi, per la secondaria di primo grado (ex scuola media) e per il primo anno della secondaria di secondo grado.

1. ${19/22-[2/3-(12/11-25/33+1/22)+(14/11-5/6)]}+4/11$

2. $1/6+7/2-{[(1/3+2)-(5/4+1/2-7/8)]+5/6+1}-1/8+3/4$

3. ${[(1-3/5)+5/2+1/8-3/4)-(3/2-1)]+(1/4+2)}-(1+1/8)$

4. ${[(1+5/4)-(1+3/2)+(2+1/4)]-1/6+5/2}+(5/3+1)$

5. $3/2+[(1/6+5/3-1/8)+3/4+1]-{[(1+3/2-1/6)+2]-1}$

6. ${15/4-[(3/2+1/4+7/8+2)-(2/3+1/4+7/8)]}+(1+3/4)$

7. ${7/10-{(4/5+6/11+2/55-2/11)-(5/12+7/20-1/4)]}+1/12$

8. ${[(1/3-1/5+3/4)+(5/6-1/4)]+(3/5-1/9+1/2)-3/2}$

9. ${[3/8+(2/5+5/3-2/3)+(3+1/2+3/5-5/3)]-3/4}-7/8$

10. ${[(3/2+5/4)-(1/2+1/3)+(1/2+2/3-3/4)]-(2/3+1/4+7/8)}-1/24$

11. ${[(2/5+5/6-1/3)-1/2]+(2/5-1/4)+(1+31/20)}-(5/12+7/20-1/4)-(11/4-5/6)$

12. ${[(11/4-5/6)-(1/3+3/4)-2/3]+(4+2/3+1/6)}+(2/5+7/2+1/10)$

13. $2-{[2/3+(1-1/15)]-[11/15-(1/3+11/30-2/15)]}+(2/5+5/6-1/3)-3/5$

14. $5/2-{[9/2-(9/4-3/8)]-[(3/2+5/4)-(1/2+1/3)]+(1-23/24)}$

15. ${[(3/4+1/3+1)+(3/5+5/4)]+[1/2+(1+1/3)+5/6]}+(1+7/10+3/10)$

16. $11/10-{9/5+[(9/12-1/15)-1/3]-8/5}-1/2$

17. $5/2-{(3/2-1/4)+[(1/2+2/5-3/4)+(1/6+2/5-2/15)]}$

18. $(7-3/5)-[4/3-(1-1/3)+5-(2+4/3)-1/5]+26/15$

19. $(9/8-5/40+2/5)-[2-(2-1/8)]-(7/5+1/8)$

20. $[(9/5+8/3-7/6)+(8/3+5/12-11/6)]-(8/5-5/4+7/5)$

21. $(3+1/3)+(2+1/2)-[2+5/3-(1/2-1/3)-(1+1/2)]=$

22. $1-[(2/3-1/6)+(1/3-1/4)+(2-1/3)-(2-3/4)]=$

23. $(1)/(2)+[((7)/(12)+(1)/(2))-((27)/(12)-(1)/(2)-(2)/(3))]+((2)/(9)-(1)/(36))+(1)/(18)=$

24. $2+3/2+[(3/8-1/4)+(11/6+1/2-3/4)-(8/15+5/6-1/30)]+9/8=$

25. Scomposizione in fattori di 60

26. ${[2,5+3,5:5+(2+2,6)xx3,2:8]-(12,5+3,5):8+4}+2,96=$

27. ${[(2,5xx0,3+5):0,5+0,9]-0,4:(0,6+2,8+2,6-2)}-12,3=$

28. ${38,8:2-[40:2,5-(37+3,5-32,5)]}+0,6:2-5,7=$

29. $[(2,7+7,8)+(18,8+12,2-6,5)]:7+12,5-(2,8+0,7)=$

30. $[(3^5xx3^4:3^6-5^2)xx3^2xx2]:2^2-[(5^2)^0]^5=$

31. $[(2^5+1^5):11]xx2+[2-(5^2xx2-7^2)+3^2]:10=$

32. $7xx3^2-5^2xx2+7^3:7^2xx2^3-(5xx2^3+2^4)-(2^3+5^6:5^5)=$

33. $14+3+(2^2+6^3:6+2):7+4^3$

34. $[(5+2)^2-5^2-2^2xx5]^2xx3-6xx5^2:5$

35. $4xx(2^4xx5-3xx2^4)+3xx(2^4+5^2-3^3):7-(36:12)^2=$

36. $(49:7+2xx3^4):13+(3xx50-2^4xx3^2)-(20-13-4)^2+1^15=$

37. $(3^3+2^2xx3^2:2)-(3xx2^4-4^2)=$

38. $7^4xx7^2xx7^5:7^8-2^2xx3xx5^2=$

39. $(3xx2^4-6^2+3^3-2xx3^2)xx2^2-2^6=$

40. $[10/7*5-(1/2+3/14):1/5]:(2+1/2)-2/3-1/7$

41. $(1-5/7)*2/7:[(3/5*10/9+1/4):7/12-3/2+6/7]$

42. $(7/3+1/14)(9/2-3/5):(1/6-5/4)+[(3/10-2/5+1/2)]*2/3+(1/4+1/3)

43. $48-{8+[10xx(21xx2:6-1)-(40+5)]}$

44. ${6^0+1^4+2^3-[(2^2)^3:(2^6:2^2:2^4)]^0}:[3^13:(3^3)^4]+{[(5^2xx2-5xx2^2):10]^2+1}:5$

45. $(2^6:2^4-2)+4:{6-4:[(5-3^3:3^2):2]}+2^2xx5^2:10$

46. ${[(3^2xx3^2)^2:3^3]:3^2-3xx6}:(3^10:3^6:3^2)+{[(5^2xx2-5xx4):10]^2+1}:5$

47. ${[(5^2:5^2+3^5:3^3)+2^3-4]:7}^2$

48. $[(5xx2-3^2):(12+5-2^2xx4)]^2$

49. $[(2^5xx2^2)^3:(2^12xx2^8)]^5:2^4$

50. $[2+3^7:3^5-(5^2xx2-7^2)-10]+5^6:5^4$