Question

dau coroana cine ma ajuta ex 1A.B.C.Dsi ex 2 A.B.C.D​

Answer 1

Răspuns:

1 A x+17=56

x=56-17

Bx=39

x+95=120

x=120-95

x=25

C x+123=250

x=250-123

x=127

D 2020+x=2943

x=2943-2020

x=943

2 8×x=72

x=72:8

x=9

14×x=126

x=126:14

x=9

9×x=144

x=144:9

x=16

(2×4×5)×x=200

x=200:(2×4×5)

x=200:(8×5)

x=200:40

x=5