sai rồi

ket qua la 171339076128

nhớ k cho mình nhé

 1957 * 8976 * 9754 = 171 339 076 128

  Ket ban voi minh nhe!^-^

1. Bài này tự đặt tính nhé bạn :)))

a.5458+28332=33790

b.354356-346546=7810

2.

a.4546     <  5657

b.5448       >4356

c.9754       >3345

1.

a) 5458 + 28332= 33790

b) 354356- 346546=7810

2.

a. 4546<5657

b. 5448>4356

c. 9754>3345

bằng 728 nha bạn

=728 học tốt

28812

98 x 98 + 98 + 98 = 9800

\(C-D=\dfrac{\left(98^{99}+1\right)\left(98^{88}+1\right)-\left(98^{89}+1\right)\left(98^{98}+1\right)}{\left(98^{89}+1\right)\left(98^{88}+1\right)}\)

\(=\dfrac{98^{187}+98^{99}+98^{88}+1-98^{197}-98^{89}-98^{98}-1}{\left(98^{89}+1\right)\left(98^{88}+1\right)}\)

\(=\dfrac{98^{99}-98^{98}+98^{88}-98^{89}}{\left(98^{89}+1\right)\left(98^{88}+1\right)}=\dfrac{98^{98}\left(98-1\right)-98^{88}\left(98-1\right)}{\left(98^{89}+1\right)\left(98^{88}+1\right)}\)

\(=\dfrac{97.98^{98}-97.98^{88}}{\left(98^{89}+1\right)\left(98^{88}+1\right)}=\dfrac{97.98^{88}\left(98^{10}-1\right)}{\left(98^{89}+1\right)\left(98^{88}+1\right)}>0\)

\(\Rightarrow C>D\)

Giúp tớ với ngày kia tớ kiểm tra rồi

Ai đúng mk cho t**k nha! Thanks