Question

Câu đố lấy GP cho các mn nè

Tìm x: -20 < x < 21

Answer 1

-20 < x < 21

=> x \(\in\) {-19; -18; -17; -16; -15; -14; -13; -12; -11; -10; -9; -8; -7; -6; -5; -4; -3; -2; -1; 0; 1; 2; ...; 20}

Chúc bạn học tốt!

Answer 2

Tìm x : - 20 < x < 21

\(\Rightarrow\)x \(\in\){ - 19 ; - 18 ; - 17 ; - 16 ; ...... ; 19 ; 20 }

Vậy x \(\in\) { - 19 ; - 18 ; - 17 ; - 16 ; ...... ; 19 ; 20 }

Answer 3

Với -20 < x < 21

thì x = {-19 ; -18 ; -17 ; -16 ; -15 ; ... ; 19 ; 20 ; 21}

Vậy x = {-19 ; -18 ; 17 ; 16 ; 15 ; ... ; 19 ; 20 ; 21}

Answer 4

-20 < x < 21

nên x ={-19;-18;-17;-16;-15;-14;-13;-13;-12;-11;-10;-9;-8;-7;-6;-5;-4;-3;-2;-1;0;1;2;3;4;5;6;7;8;9;10;11;12;13;14;15;16;17;18;19;20}

chúc bạn học tốt!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 5

x = -19,-18,-17,-16,-15,-14,-13,-12,-11,-10,-9,-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20

Answer 6

x={-19;-18;...;19;20}