Question

Va rooog!!! Dau coroana

Answer 1

Răspuns:

a. 35·(0,3+4/3:5/3):7/20=5x

35·(0,3+4/3×3/5)·20/7=5x

35·(3/10+²⁾4/5)·20/7=5x

35·11/10·20/7=5x

35·22/7=5x

5x=770/7

5x=110

x=110:5

x=22

b.6·(29/2-3,5):3=2x·(11,2-46/5)

6·[(14,5-3,5):3]=2x·(11,2-9,2)

6·11/3=2x·2

4x=66/3

x=5,5