ư\(\left(48\right)\);ư\(\left(8\right)\); ư \(\left(14\right)\);ư \(\left(20\right)\)
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\(Ư\left(144\right)=\left\{1,2,3,4,6,8,9,12,16,18,24,36,48,72,144\right\}\)
\(Ư\left(324\right)=\left\{1,2,3,4,6,9,12,18,27,36,54,81,108,162,324\right\}\)
\(Ư\left(576\right)=\left\{1,2,3,4,6,8,9,12,16,18,24,32,36,48,64,72,96,144,192,288,576\right\}\)
\(Ư\left(1024\right)=\left\{1,2,4,8,16,32,64,128,256,512,1024\right\}\)
\(Ư\left(1296\right)=\left\{1,2,3,4,6,8,9,12,16,24,27,36,48,54,72,81,108,144,162,216,324,432,648,1296\right\}\)
a) Ư(12²) = Ư(144) = {1; 2; 3; 4; 6; 8; 9; 12; 16; 18; 24; 32; 48; 72; 144}
b) Ư(18²) = Ư(324) = {1; 2; 3; 4; 6; 9; 12; 18; 27; 36; 54; 81; 108; 162; 324}
c) Ư(24²) = Ư(576) = {1; 2; 3; 4; 6; 8; 9; 12; 16; 18; 24; 32; 36; 48; 64; 72; 96; 144; 192; 288; 576}
d) Ư(32²) = Ư(1024) = {1; 2; 4; 8; 16; 32; 64; 128; 256; 512; 1024}
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Câu hỏi:
Ư(81) = {........................}
Trả lời:
Ư(81) = { -1 ; -3 ; -9 ; -27 ; -81 ; 1 ; 3 ; 9 ; 27 ; 81 }.
Học tốt
Ư(120) = {1; 2; 3; 4; 5; 6; 8; 10; 12; 15; 20; 24; 30; 40; 60; 120}
Ư(48) = {1; 2; 3; 4; 6; 8; 12; 16; 24; 48}
Ư(13) = {1; 13}
Ư(20) = {1; 2; 4; 5; 10; 20}
\(P=\frac{\left(\frac{10203}{125}:\frac{24}{5}-\frac{901}{200}\right)^2+125\cdot\frac{3}{4}}{\left\{\left[\left(\frac{11}{25}\right)^2+\frac{353}{100}\right]^2-\left(\frac{11}{4}\right)^2\right\}:\frac{13}{25}}\)
\(P=\frac{\left(\frac{10203}{125}\cdot\frac{5}{24}-\frac{901}{100}\right)^2+\frac{375}{4}}{\left[\left(\frac{121}{625}+\frac{353}{100}\right)^2-\frac{121}{16}\right]\cdot\frac{25}{13}}\)
\(P=\frac{\left(\frac{3401}{200}-\frac{1802}{200}\right)^2+\frac{18750}{200}}{\left[\left(\frac{484}{2500}+\frac{8825}{2500}\right)^2-\frac{121}{16}\right]\cdot\frac{25}{13}}\)
\(P=\frac{\frac{1599}{200}^2+\frac{18750}{200}}{\left(\frac{9309}{2500}^2-\frac{121}{16}\right)\cdot\frac{25}{13}}\)
\(P=\frac{\frac{2556801}{40000}+\frac{3750000}{40000}}{\left(\frac{86657481}{6250000}-\frac{47265625}{6250000}\right)\cdot\frac{25}{13}}\)
\(P=\frac{\frac{6306801}{40000}}{\frac{39391856}{6250000}\cdot\frac{25}{13}}\)
\(P=\frac{\frac{6306801}{40000}}{\frac{2461991}{203125}}\)
Ư( 48)=1,2,3,4,6,7,12,14,24,28
Ư(30)=1,2,3,5,6,10,15,30
\(Ư\left(48\right)=\left\{1;-1;-2;2;3;-3;6;-6;8;-8;12;-12;-24;24;16;-16;48;-48\right\}\\ Ư\left(8\right)=\left\{1;-1;2;-2;-4;4;8;8\right\}\\ Ư\left(14\right)=\left\{-1;1;2;-2;7;-7;14;-14\right\}\\ Ư\left(20\right)=\left\{-1;1;2;-2;5;-5;4;-4;-10;10;-20;20\right\}\)