Question

Afla termenul necunoscut a+200=800 b-500=200 c+300=900 900-d=400(clasa a 2-a)

Answer 1

a+200=800 b-500=200
a=800-200 b=200+500
a=600 b=700

c+300=900 900-d=400
c=900-300 d=900-400
c=600 d=500

Answer 2

Răspuns:

A=800-200

A=600

B=500+200

B=700

C=900-300

C=600

D=900-400

D=500