Question

[98*17-66*17]/72

Answer 1

Đề bài là gì thế?

Answer 2

\(\frac{98\cdot17-66\cdot17}{72}\)

\(=\frac{(98-66)\cdot17}{72}\)

\(=\frac{32\cdot17}{72}=\frac{2\cdot16\cdot17}{2\cdot36}=\frac{2\cdot2\cdot2\cdot2\cdot2\cdot17}{2\cdot2\cdot2\cdot3\cdot3}=\frac{2\cdot2\cdot17}{3\cdot3}=\frac{4\cdot17}{3\cdot3}=\frac{68}{9}\)

Answer 3

#)Giải :

\(\frac{\left[98x17-66x17\right]}{72}\)

\(=\frac{\left[\left(98-66\right)x17\right]}{72}=\frac{\left[32x17\right]}{72}\)

\(=\frac{544}{72}\)

          #~Will~be~Pens~#

Answer 4

๖²⁴ʱŤ.Ƥεɳɠʉїɳş༉ [ ●SΔD◆ ] { ⋆ ⋆ }​ bạn chưa rút gọn nhé 

Answer 5

#)Ukm mk quên mất :P ( lại cái tật xấu ns :v )

Answer 6

\(\frac{98\times17-66\times17}{72}\)

\(=\frac{\left(98-66\right)\times17}{72}\)

\(=\frac{32\times17}{72}=\frac{544}{72}=\frac{68}{9}\)

~ Hok tốt ~

Answer 7

\(\frac{98.17-66.17}{72}\)

\(=\frac{\left(98-66\right).17}{72}\)

\(=\frac{32.17}{72}\)

\(=\frac{544}{72}\)\(=\frac{68}{9}\)

~hok tốt~

#sadgirl#

Answer 8

\(=\frac{98x17-66x17}{72}\)

\(=\frac{17x\left(98-66\right)}{72}\)

\(=\frac{17x32}{72}\)

=\(=\frac{544}{72}=\frac{68}{9}\)

~ Học tốt ~