Răspuns :
a-b=160
a=b+160,b×5
5b-b=160
4b=160=>b=160:4=40
a=40×5=200
b=40
V:200-40=160
a=b+160,b×5
5b-b=160
4b=160=>b=160:4=40
a=40×5=200
b=40
V:200-40=160
a-b=160. a=b×5. a=|__|__|__|__|__|. b=|__|. 160:4=40 (b). 40×5=200 (a). (^-^)