Gicumihali166ask
a fost răspuns

B.
7. Aflati termenul necunoscut: a) X+21=32 b) X+17=65 c) X-22=10
d) 9-X=77 e) 4X=84 f) 48:X=8 g) (32+x):8=8
​

Răspuns :

Crys157724ask

x + 21 = 32

x = 32 - 21

x = 11

x + 17 = 65

x = 65 - 17

x = 48

x - 22 = 10

x = 10 + 22

x = 32

9 - x = 77

x = 9 - 77

x = - 68

4x = 84

x = 84 : 4

x = 21

48 : x = 8

x = 48 : 8

x = 6

( 32 + x ) : 8 = 8

( 32 + x ) = 8 × 8

32 + x = 64

x = 64 - 32

x = 32