Răspuns :
[(5x-2):4+99]:11>=1 idem pt celellate puncte
(5x-2):4+99>=11
(5x-2):4>=-88
5x-2>=-22
5x>=-20
x>=-4
x apartine {0,1,2...}
(5x-2):4+99>=11
(5x-2):4>=-88
5x-2>=-22
5x>=-20
x>=-4
x apartine {0,1,2...}
a) [(5x-2):4+99]:11<=1
=(5x-2):4+99<=1x11=11
=(5x-2):4<=99-11=88
= 5x-2<=88x4=352
= 5x<=352-2=350
= x<=350:5
x<=70
x={1,2,3,4....69}
b) [5x(30x-59)-3]:2<1
=un nr mai mic decat 1 este 0,deci rezultatul e 0.
c)[(6x-20):5+8]x1<=16
=(6x-20):5+8<=16:1=16
=(6x-20):5<=16-8=8
=6x-20<=8x5=40
=6x<=40+20=60
=x<60:6=10
x={1,2,3...9}
d)[3+(x+1)x4]x2<=22
=3+(x+1)x4<=22:2=11
=3+(x+1)<=11:4=e gresita
=(5x-2):4+99<=1x11=11
=(5x-2):4<=99-11=88
= 5x-2<=88x4=352
= 5x<=352-2=350
= x<=350:5
x<=70
x={1,2,3,4....69}
b) [5x(30x-59)-3]:2<1
=un nr mai mic decat 1 este 0,deci rezultatul e 0.
c)[(6x-20):5+8]x1<=16
=(6x-20):5+8<=16:1=16
=(6x-20):5<=16-8=8
=6x-20<=8x5=40
=6x<=40+20=60
=x<60:6=10
x={1,2,3...9}
d)[3+(x+1)x4]x2<=22
=3+(x+1)x4<=22:2=11
=3+(x+1)<=11:4=e gresita