Question

afla valorile literelor a+20=b+30=c+40=d+50=100

Answer 1

Răspuns:

Explicație pas cu pas:

a + 20 = 100

a = 100 - 20 = 80

______

b + 30 = 100

b = 100 - 30 = 70

________

c + 40 = 100

c = 100 - 40 = 60

________

d + 50 = 100

d = 100 - 50 = 50

Answer 2

a+20=b+30=c+40=d+50=100

a+20=100

a=100-20

a=80

b+30=100

b=100-30

b=70

c+40=100

c=100-40

c=60

d+50=100

d=100-50

d=50