a, I = { 0 ; 1 ; 4 ; 9 ; 16 ; 25 }
b, K = { 0 ; 2 ; 6 ; 12 }
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I/ Choose the best answer:
1. Choose the word which is pronounced differently from the others:
A. wanted |
B. worked |
C. needed |
D.visited |
2. Choose the word which has different stress from the others:
A. lacquerware |
B. pottery |
C. embroider |
D.layer |
3. He works as an ___________ in his uncle’s workshop.
A. attraction |
B. artisan |
C. embroider |
D.lacquer |
4. They need to find a solution to ___________ the local environment.
A. preserve |
B. cast |
C. weave |
D.knit |
5. The company is going to close ___________ one of its stores due to reduced sales.
A. on |
B. down |
C. in |
D.at |
6. He was hired for the position because he is ___________.
A. reliability |
B. reliably |
C. reliable |
D.unreliable |
7. I love going to this place _____________ it’s the quietest place in the city.
A. so |
B. though |
C. so that |
D.as |
8. Nothing is __________ than being stuck in a traffic jam.
A. worse |
B. badly |
C. more badly |
D.the worst |
9. When I __________, the town hall was already full of teenagers.
A. turned on |
B. turned off |
C. turned up |
D.turned into |
10. Nam: There’s a lantern festival nearby. Do you want to come with us?
Mai: Yeah, ___________ !
A. sorry |
B. cool |
C. I see |
D.not at all |
11. Remember to _________ your shoes when you enter a Japanese house.
A. take over |
B. take on |
C. take up |
D.take off |
12. The roads are ___________ as one of the solutions to deal with traffic jams.
A. extended |
B. expensive |
C. overcrowding |
D.shelter |
#include <bits/stdc++.h>
using namespace std;
int a,b,s1,s2,s;
int main()
{
cin>>a>>b;
s1=0; s2=0;
for (int i=a; i<=b; i++)
{
if (i%2==0) s1+=i;
else s2+=i;
}
cout<<s1<<endl;
cout<<s2;
return 0;
}
\(A=a\left(x-y\right)+b\left(x-y\right)=\)
\(=\left(x-y\right)\left(a+b\right)=-1.-7=7\)
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