Question

Rezolvați în numere naturale inecuatiile:a) x+3 <4, b) x+5>17, c) x-11 <1, d)x-7<3, e) 6x <36, f) 4x <35, g) x:4 <5, h) x÷3> 6, i) 5x-11 <34, j) 2x-13 <5, k) 7x+12> 19, l) 4x-21 <3. Dau coroana!

Answer 1

a) x=0
b)x=13,14,15..................
c)x=11
d)x=7,8,9
e)x=5,4,3,2,1,0
f)x=8,7,6,5,4,3,2,1,0
g)x=16,12,4
h)x=21,24,27,30,33....
i)x=8,7,6,5,4,3
j)x=8,7
k)x=2,3,4,5,6,7,8,9,10....
l)x=nu exista varianta

Answer 2

a)x+3<4/-3=x<1
b)x+5>17/-5=x>12
c)x-11<1/+11=x<12
d)x-7<3/+7=x<10
e)6x<36/:6=x<6
f)4x<35/:4=x<8,75
g)x:4<5/ori 4=x<20
h)x:3>6/ori 3=x>18
i)5x-11<34/+11=5x<45/;5=x<9
j)2x-13<5/+13=2x<18/;2=x<9
k)7x+12>19/-12=7x>7/-7=x>1
l)4x-21<3/+21=4x<24/:4=x<6
 Sper ca te-am ajutat.