Răspuns :
16)300-200=100
400-100=200+100(varianta D)
17d+r+34=60
d+r=60-34
d+r=26
d=9+3=12 ani
r=26-12=14 ani(varianta d)
18)x+150=365
350-150-150=65(varianta b)
400-100=200+100(varianta D)
17d+r+34=60
d+r=60-34
d+r=26
d=9+3=12 ani
r=26-12=14 ani(varianta d)
18)x+150=365
350-150-150=65(varianta b)
16 -D
17-D
18-B
16. y-banii Ioanei
x-banii lu sara
x -100 lei =300 lei ;x=400 lei
y+100 lei=300 lei ;y=200 lei
17. x-varsra lu doru
y-varsta lu raul
x+y+34=60
x-3=9
y=?
x=12
y =14
18. x-numarul
x+150 =365
x-150= ?
x=65
17-D
18-B
16. y-banii Ioanei
x-banii lu sara
x -100 lei =300 lei ;x=400 lei
y+100 lei=300 lei ;y=200 lei
17. x-varsra lu doru
y-varsta lu raul
x+y+34=60
x-3=9
y=?
x=12
y =14
18. x-numarul
x+150 =365
x-150= ?
x=65