Question

21/11 × 22/17 ×68/63

Answer 1

21/11 × 22/17 ×68/63=21.22.68/11.17.63=8/3

Answer 2

21/11 x 22/17 x 68/63

= 21 x 22 x 68/11 x 17 x 63

= 1 x 2 x 68/1 x 17 x 3

= 136/51

Answer 3

\(\frac{21}{11}\cdot\frac{22}{17}\cdot\frac{68}{63}=\frac{7\cdot3\cdot2\cdot11\cdot4\cdot17}{11\cdot17\cdot7\cdot3\cdot3}=\frac{8}{3}\)

số nào giống thì gạch đi nhá

Answer 4

$\frac{21}{11}\cdot \frac{22}{17}\cdot \frac{68}{63}=\frac{7\cdot 3\cdot 2\cdot 11\cdot 4\cdot 17}{11\cdot 17\cdot 7\cdot 3\cdot 3}=\frac{8}{3}$

Answer 5

$\frac{21}{11}\cdot \frac{22}{17}\cdot \frac{68}{63}=\frac{7\cdot 3\cdot 2\cdot 11\cdot 4\cdot 17}{11\cdot 17\cdot 7\cdot 3\cdot 3}=\frac{8}{3}$