Question

3 intregi minus 3 supra 4 minus 1 supra 12 minus 7 supra 6 b 2intregi 9supra20 minus 4 supra5 minus 1 supra 4 c 2intregi 7supra30 minus 5supra 6 minus 1supra 5 dau coroana va rog frumos te rog pls ​

Answer 1

Răspuns:

a)

3 - 3/4 - 1/12- 7/6=

36/12 - 9/12 -1/12-14/12=

27/12- 1/12-14/12=

12/12=1

b)

2 9/20 - 4/5 -1/4=

49/20 -4/5 -1/4=

49/20 - 16/20 - 5/20=

33/20 -5/20=

28/20= 14/7

c)

2 7/30 -5/6- 1/5=

67/30 -5/6-1/5=

67/30- 25/30 - 6/30=

42/30- 6/30=

37/30