Question

Efectuează: 10. 50:3x3-3:3-3x3:3) = 11. 5 x 5 x 10-(13 + 7 x 8) = 12. 50 x 2 + 6 x 5-(27:9 +6 x 8) = 13. 8+ (8 x 8:8-8) x 5 = 14, (5 x 8 + 14:7):(3x3-14:7) = 15. (12 + 50:10) -6x 2 =​

Answer 1

Răspuns:

10. 50:(3x3-3:3-3x3:3)=

50:(9-1-9:3)=

50:(9-1-3)=

50:(8-3)=

50:5=

5

11. 5 x 5 x 10-(13 + 7 x 8) =

10×10-(13+56)=

100-69=

=31

12. 50 x 2 + 6 x 5-(27:9 +6 x 8) =

100+30-(3+48)=

100+30-51=

130-51=

79

13. 8+ (8 x 8:8-8) x 5 =

8+(64:8-8)×5=

8+(8-8)×5=

8+0×5=

8+0=

8

14. (5 x 8 + 14:7):(3x3-14:7) =

(40+2):(9-2)=

42:7=

6

15. (12 + 50:10) -6x 2 =

(12+5)-12=

17-12=

5