The car isn't repaired by William

Some sandwiches weren't bought by us

1. The cake was put on the red table yesterday.

2. This hat was made for his girlfriend last Monday.

3. A lot of friends were had in Ho Chi Minh City 3 years ago.

4. He was taken to see Tri Nguyen aquarium by his uncle last week.

C tick cho e vs nhek! (E lớp 6 ak; vì cái này e hc ở Trung tâm rồi nên e giúp c nhek ak)

mik nghĩ là B

Lời giải:
$b=2021^0=1< 26^9=a$

$c=26^9=(2.13)^9=2^9.13^9=(2^3)^3.13^9=8^3.13^9<13^3.13^9$

$=13^{12}< 13^{15}=a$

Vậy $b< c< a$

Đáp án C.

????

hình như lỗi ảnh bạn ạ

EM ĐNG CẦN GẤP NÊN MN LÀM NHANH NHẤT CÓ THỂ HỘ EM Ạ !!! ( Thanks )

428=2².107

422=2.211

115=5.23

180=2².3².5

160=2⁵.5

190=2.5.9

250=2.5³

350=2.5².7

324=2².3⁴

364=2².7.13

270=2.3³.5

290=2.5.29

120=2³.3.5

150=2.3.5²

160=2⁵.5

\(428=2^2\cdot107\)

\(422=2\cdot211\)

\(115=5\cdot23\)

\(180=2^2\cdot3^2\cdot5\)

\(160=2^5\cdot5\)

\(190=2\cdot5\cdot19\)

\(250=2\cdot5^3\)

\(350=2\cdot5^2\cdot7\)

\(324=2^2\cdot3^4\)

\(364=2^2\cdot7\cdot13\)

\(270=3^3\cdot2\cdot5\)

\(290=2\cdot5\cdot29\)

\(120=2^3\cdot3\cdot5\)

\(150=5^2\cdot2\cdot3\)

\(160=2^5\cdot5\)

khó thế

1000=1020

vd: ếch ;nhái ;ếch tổ ong;...

vd: ếch ;nhái ;ếch tổ ong;.