Giải hộ mk đề này vs ạ
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Những câu hỏi liên quan
26 tháng 10 2021
Câu 2:
a: \(\sqrt{9x-9}+1=7\)
\(\Leftrightarrow3\sqrt{x-1}=6\)
\(\Leftrightarrow x-1=4\)
hay x=5
b: \(\sqrt{9x+27}-\dfrac{1}{4}\sqrt{16x+48}+\sqrt{x+3}=9\)
\(\Leftrightarrow\sqrt{x+3}=3\)
hay x=6
19 tháng 5 2021
1.needn't
2.impressed
3.the
4.send
5.the
6.who
ko biết đúng ko nữa
19 tháng 5 2021
Part 1
1 needn't
2 impressed
3 with
4 send
5 the
6 who
Part 2
1f 2d 3c 4b 5a 6g
Part 3
1 was cooking
2 surfing
3 went
4 was going to visit
5 try
6 widened
7 cultural
8 conveniently
Part 4
1 serious -> seriously
2 well-preserved -> be well-preserved
Part 5
1 my english were good
2 going to the english-
3 area has been spoiled
4 which I read
Part 6
1 without
2 be damaged
3 healthy
4 destruction
Part 7
2F 3F 4F
28 tháng 12 2020
Câu 1:
uses crt;
var t:real;
i:integer;
begin
clrscr;
t:=0;
for i:=1 to 100 do
t:=t+(sqr(i) mod (2*i));
writeln('So tien sau cung la: ',t:0:0);
readln;
end.
Câu 2:
const fi='dxau.inp';
fo='dxau.out';
var f1,f2:text;
st:string;
x:char;
dem,i,d:integer;
a:array[1..255]of integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,st);
readln(f1,x);
d:=length(st);
dem:=0;
for i:=1 to d do
if st[i]=x then
begin
inc(dem);
a[dem]:=i;
end;
if dem=0 then writeln(f2,'Khong co')
else begin
writeln(f2,dem);
for i:=1 to dem do
write(f2,a[i]:4);
end;
close(f1);
close(f2);
end.
19 tháng 5 2021
Part 1
1 into
2 which
3 happily
4 aspect
5 if
6 compulsory
Part 2
1c 2f 3b 4g 5a 6e
Part 3
1 opened
2 to be finished
3 repairing
4 driving
5 harmful
6 modernize
7 environmentalists
8 effectively
Part 4
1 disappointing -> disappointed
2 come -> came
Part 5
1 succeed although he tried
2 my father could speak
3 seen such an interesting
4 being made to protect
Part 6
1 forest
2 climate
3 in
4 fortunatelt
Part 7
1T 2F 3F 4F
DT
Đỗ Thanh Hải
CTVVIP
22 tháng 5 2021
Part 1
1 On
2 did
3 would
4 therefore
5 who
6 of
Part 2
1 G
2 A
3 F
4 D
5 B
6 C
Part 3
1 are watered
2 will become
3 has read
4 revising
5 communicate
6 announcement
7 interactive
8 conservationist
DT
Đỗ Thanh Hải
CTVVIP
22 tháng 5 2021
Part 4
1 to travel => travelling
2 that => bỏ
Part 5
1 spoke English as
2 is being used by
3 he was leaving
4 you can find are
Part 6
1 walking
2 good
3 experienced
4 burden
20 tháng 5 2021
part 1
1 where
2 which
3 important
4 traditional
5 of
6 even though
part 2
1G 2A 3F 4D 5C 6B
part 3
1 not watching
2 would arrive
3 would pay
4 playing
5 has worked
6 harmed
7 unsuccessful
8 richly
part 4
1 internation -> international
2 write -> be written
part 5
1 have to be taken
2 spends 2 hours doing
3 unless someone puts
4 which I visited
part 6
1 natural
2 economically
3 resources
4 before
part 7
1T 2T 3F 4T
DT
Đỗ Thanh Hải
CTVVIP
20 tháng 5 2021
Part 1
1 friendliness
2 were
3 after
4 written
5 correspond
6 which
Part2
1 - D
2 - C
3 - A
4 - G
5 - E
6 - F
Part 3
1 should do
2 visiting
3 cut
4 made
5 has learnt
6 modernize
7commercial
8 untreated
Part 4
1 will => would
2 carefully => careful
Part 5
1 I would pay a visit to
2 planted trees along the
3 going to be sent
4 which I borrowed from
Part 6
1 subtances
2 Industrial
3 frequently
4 that
20 tháng 5 2021
Part 1
1 friendliness
2 were
3 after
4 written
5 correspond
6 which
Part 2
1D 2C 3A 4G 5E 6F
Part3
1 have to do
2 visiting
3 cut
4 was making
5 has learnt
6 modernize
7 commercially
8 mistreated
Part 4
1 will -> would
2 carefully -> careful
Part 5
1 to pay a visit
2 planted trees along the
3 going to be sent
4 that I borrowed from
Part 6
1 substances
2 industrial
3 naturally
4 that
Part 7
1F 2F 3T 4T
Part 1
1 although
2 around
3 where
4 forward
5 and
6 will
Part 2
1 B
2 F
3 E
4 D
6 C
Part 3
1 daily
2 wearing
3 would do
4 haven't eaten
5 is being carried
6 rises
7 inexperient
8 equality
Part4
1 which => who
2 pollute => polluting
Part 5
1 not to touch this switch
2 Tom has met was
3 weren't ill
4 may be built
Part 6
1 students
2 affect
3 media
4 famous
Part 6
1 T
2 T
3 F
4 F