Question

afla termenul necunoscut c+5×4=44,d+4×9=81,a-3×9=42,8×4-a=20​

Answer 1

C+5x4=44
C+20=44
C=44-20
C= 24

D+4x9=81
D+36=81
D=81-36
D=45

A-3x9=42
A-27=42
A=27+42
A=69

8x4-a=20
32-a=20
A=32-20
A=12

Answer 2

Răspuns:

c+5×4=44

c+20=44

c=44-20

c=24

v: 24+20=44

d+4×9=81

d+36=81

c=81-36

c=45

v:45+36=81

a-3×9=42

a-27=42

a=42+27

a=69

v=69-27=42

8×4-a=20

32-a=20

a=32-20

a=12

v:32-12=20

Sper ca te am ajutat!