Question

Va roggg
dau coronita​

Answer 1

Răspuns:

20 + 20 + 20 = 60

20 + 3 + 3 = 26

3 + 6 + 6 = 15

20 + 3 x 6 =  38

Explicație pas cu pas:

x + x + x = 60

3x = 60

x = 60 : 3

x = 20

20 + 20 + 20 = 60

20 + x + x = 26

20 + 2x = 26

2x = 26 - 20

2x = 6

x = 6 : 2

x = 3

20 + 3 + 3 = 26

3 + x + x = 15

3 + 2x = 15

2x = 15 - 3

2x =12

x = 12 : 2

x = 6

3 + 6 + 6 = 15

20 + 3 x 6 =  20 + 18 = 38