Răspuns :
a)45-(25-7)
45-18=27 27 mai mare decat 25
45-27-7
45-20=25
B)82-43=39 39 mai mare decat 30
82-(43+9)
82-52=30
c)18-16/2
18-8=10 10 mai mare decat 1
(18-16)/2
2/2=1
d)36/(4+5)
36/9=4 4 mai mic decat 9
36/4+5
4+5=9
45-18=27 27 mai mare decat 25
45-27-7
45-20=25
B)82-43=39 39 mai mare decat 30
82-(43+9)
82-52=30
c)18-16/2
18-8=10 10 mai mare decat 1
(18-16)/2
2/2=1
d)36/(4+5)
36/9=4 4 mai mic decat 9
36/4+5
4+5=9
45-(25-7)[?]45-25-7
45-18[?]20-7
27[ > ]13
82-43[?]82-(43+9)
39[?]82-52
39[>]30
18-16:2[?](18-16):2
18-8[?]2:2
10[>]1
36:(4+5)[?]36:4+5
36:9[?]9+5
4[<]14
Sper ca te-am ajutat
45-18[?]20-7
27[ > ]13
82-43[?]82-(43+9)
39[?]82-52
39[>]30
18-16:2[?](18-16):2
18-8[?]2:2
10[>]1
36:(4+5)[?]36:4+5
36:9[?]9+5
4[<]14
Sper ca te-am ajutat