giúp mình ex 1 + ex 2 với
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3 tháng 7 2023
program tinh_ex;
var
x, ex, gt: real;
n, i: integer;
begin
write('Nhap vao so x: '); readln(x);
n := 10; (* so luong so hang *)
ex := 1; gt := 1;
for i := 1 to n do
begin
gt := gt * i; (* tinh giai thua i! *)
ex := ex + power(x, i) / gt; (* tinh tong theo cong thuc *)
end;
writeln('Gia tri cua e^', x, ' la: ', ex);
readln;
end.
3 tháng 7 2023
program tinh_e;
var x: real;
n: integer;
s, t: real;
i: integer;
begin
write('Nhap x: '); readln(x);
write('Nhap n: '); readln(n);
s := 1; t := 1;
for i := 1 to n do
begin
t := t * x / i;
s := s + t;
end;
writeln('e = ', s);
end.
13 tháng 2 2017
GE // AM
\(\Rightarrow\frac{GE}{AM}=\frac{BE}{BM}\) ( Định lý Ta-lét )
Tương tự \(\frac{FE}{AM}=\frac{CE}{CM}=\frac{CE}{BM}\) ( Vì CM = CM )
Cộng các vế hai đẳng thức trên ta có : \(\frac{GE}{AM}+\frac{FE}{AM}=\frac{BE}{BM}+\frac{CE}{BM}\)
\(\Rightarrow\frac{FE+EG}{AM}=\frac{BC}{BM}=2\)
\(\Rightarrow FE+EG=2AM\)
Vậy ...
Giải giúp em ex 1 với
KY
15 tháng 7 2021
EX 1Complete the sentences by using too, so, neither and either.
1. Teenagers like K-pop, and they like Korean foods too . (too)
2. He's not very good at painting walls, and she isn’t either. . (either)
3. William doesn't work there, and John doesn’t either. . (either)
4. My wife can't play the trump, and neither can her sister. (neither)
5. Alice has finished her homework, and so has Mickey. (so)
6. Trang does morning exercise, and her brother does too . (too)
7. He is going to see that film, and we are too . (too)
8. “Chèo” is considered a kind of traditional opera in Viet Nam, and "Cải lương" is too . (too)
9. I don't know how to use a computer, and my best friend doesn’t either . (either)
10. I haven't been to Africa, and neither has my mother. (neither)
11. Lan doesn't like rock music, and neither does Huong. (neither)
12. Cuong didn't know the answer to the teacher's question, and Mai didn’t either. . (either)
13. Mr.Nam didn't win the race, and neither did Mr Bac. (neither)
14. My car doesn't work, and your car doesn’t either. . (either)
15. Nobody knew why he was absent, and I didn’t either. . (either)
16. Susie has passed her driving test, and so has Peter. (so)
17. They mustn't stay up late, and their friends mustn’t either. . (either)
18. They stayed at home last night, and their children did too. . (too)
19. They've been waiting, and so has she. (so)
20. We'd like to watch the football match, and he would too . (too)
EX 2. Complete sentences with “too" or “either”.
1. He does, too
2. I can, too
3. Nga didn't, either
4. he will, too
5. the ruler isn't, either
6. yesterday was, too
7. the girls don't, either
8. he doesn't, either
9.her brother does, too
10. they did, too
Giải giúp em ex 3 với
Giải giúp ex 1
DT
Đỗ Thanh Hải
CTVVIP
24 tháng 7 2021
1 I wish I had a washing machine
2 I wish I lived near my work
3 I wish our garden got some sun
4 I wish I hadn't called him a lier
5 I wish I knew French
6 I wish I had booked a seat
7 I wish I could drive
8 I wish Tom drove more slowly
9 I wish you kept quiet
10 I wish he had worked harder during the term
11 I wish you came with us
12 I wish it stopped raining
13 I wish I could swim
14 I wish you waited for me
15 I wish I could help you now
Bài 2
1 knew
2 had gone
3 would lend
4 were
5 had spent
6 were lying
7 didn't have
8 lived
10 could speak
11 had visited
12 would play
13 could get
14 didn't complain
15 were
Giải giúp ex 1
Giải giúp ex 1
Ex 1
1.B
2.A
3.D
4.C
5.A
Ex 2
1.A
2.B
3.C
4.D
5.A