Question

60<a-8<69
37<a-9<42
40<a+6<46
51<a+7<57​

Answer 1

Răspuns:

60< 69-8< 69

60< 61< 69

37< 49-9< 42

37< 40< 42

40< 39+6< 46

40< 45< 46

51< 49+7< 57

51< 56< 57