Răspuns :
Răspuns:
(c+3)x3=39
c+3=39:3
c+3=13
c=13-3
c=10
(dx10)x4=400
dx10=400:4
dx10=100
d=100:10
d=10
Răspuns:
c x 3 + 3 x 3 = 39 | -3x3
c x 3 = 30 | ÷3
c = 10
(d x 10) x 4 = 400 | ÷4
d x 10 = 100 | ÷10
d = 10
Răspuns:
(c+3)x3=39
c+3=39:3
c+3=13
c=13-3
c=10
(dx10)x4=400
dx10=400:4
dx10=100
d=100:10
d=10
Răspuns:
c x 3 + 3 x 3 = 39 | -3x3
c x 3 = 30 | ÷3
c = 10
(d x 10) x 4 = 400 | ÷4
d x 10 = 100 | ÷10
d = 10