Question

15:5=?:4, 25:5=?:4,?:5=16:4,?:5=25:4,​

Answer 1

Răspuns:

15 : 5 = 12:4 = 3

25: 5 = 20:4 = 5

80 : 5 = 64 :4 = 16

31,2 : 5= 25 : 4 = 6,25

Answer 2

Salut!

15 ÷ 5 = a ÷ 4

3 = a ÷ 4

a = 3 × 4

a = 12

25 ÷ 5 = b ÷ 4

5 = b ÷ 4

b = 5 × 4

b = 20

a ÷ 5 = 16 ÷ 4

a ÷ 5 = 4

a = 5 × 4

a = 20

c ÷ 5 = 25 ÷ 4

c ÷ 5 = 6,25

c = 5 × 6,25

c = 31,25