Với \(6\notin P\Rightarrow6k\notin P\)

\(\Rightarrow k\in\phi\)

1. My school(have) has 22 classrooms

2.How many classroom(be) are there on your school

3.He (get) gets up at six o'clock

4.Mai and I always (go) go to school at 7 o'clock

5.What does he usually (do) do in the evening?

- He (do) does his homework

6.There (not be) isn't any water in the glass

Đây không phải hoc24h bạn nhé.

more \(\Rightarrow\varnothing\)

more => \(\varnothing\)

1)a)A=(3+2)²=6²=36

B=2³+5²=8+25=33

Do 33<36

=>A>B

b)C=(3+5)³=8³=512

D=3³+5³=27+125=152

Do 512>152

=>C>D

2)2².5.[(5²+2³):11-2]-3².2

=4.5.[(25+8):11-2]-9.2

=20.(33:11-2)-18

=20.(3-2)-18

=20.1-18

=20-18

=2