Question

VA ROG REZOLVAȚI ex 6,7

Answer 1

Răspuns:

6 a)1:(30/11-3/2)+1/2^3×40/27

1:27/22+1/8×40/27

22/27+5/27

1

b) 101:101/30×333/130)×4

101/10:(101/10×111/130)×4

101/10:11211/1300×4

101/10×1300/11211×4

130/111×4

520/111

7 a)(-3/14+4/7-5/4×7):(-5/28)

(-3/14+4/7-5/28):(-5/28)

5/28:(-5/28)

-1

b)(7/3-25/21):(-74/21)

8/7:(-74/21)

-8/7×21/74

-4×3/37

-12/37