HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
1. We don't go out very often because we can afford it
=> If we could afford it, we would go out very often.
2. It’s raining, so we can’t have lunch on the patio
=>If it wasn't raining, we could / would have lunch on the patio.
\(\text{ abc x 25 = 9abc}\)
\(\text{abc x 25 = 9000 + abc}\)
\(\text{abc x 24 = 9000}\)
\(\text{ abc = 9000 : 24 abc = 375}\)
rewrite sentences
a) Tom paid for too much for his new camera NOSE
=> Tom....................paid through the nose.................. for his new camera
pay through the nose (for something): to pay too much money for something
b) Chris says he didn't steal the money, but he isn't telling the truth TEETH
=> Christ says he didn't steal the money, but.................he lies through his teeth....................
lie through your teeth: to say something that is not true at all
a) I must have offended Rosie because she isn't being very friendly towards me SHOULDER
=> I must have offended Rosie because............ she gives me the cold shoulder....................................
give somebody the cold shoulder: to treat somebody in an unfriendly way
b) I'm sure John has been talking about me when i'm not there BACK
=> I'm sure John has been talking about me......when my back is turned.
somebody's back is turned: one are absent and not able to see what is happening
c) Liam is angry because Kate sold his old camera without his knowledge BACK
=> Liam is angry because Kate sold his old camera...... behind his back..........
behind somebody’s back: without somebody’s knowledge or permission
The reason why Susan (not eat)…………doesn't eat…………….meat is that she (be)……is……a vegetarian. . People in Ho Chi Minh City (be)……are…..very friendly and they (smile)………smile………a lot.
. The flight (start)………starts………..at 6 a.m every Thursday. . Peter (not study)…………doesn't study………………very hard. He never gets high scores. . I like oranges and she (like)………likes……..apples. . My mom and my sister (cook)…………cook………….lunch everyday. . They (have)………have…………breakfast together every morning.
Tìm số tự nhiên x, biết:
a) (x - 34) . 15 = 0 b) 18 . (x - 16) = 18
a,(x-34).15=0
x-34 = 0:15
x-34 = 0
x = 0+34
x = 34
------------------------
b,18.(x-16)=18
x-16 = 18:18
x = 1
x = 1+16
x = 17
lắm chọe
Số tuổi hơn kém không bao giờ đổi
Tuổi Bình hiện nay là:
6:(5-3)x5=12(tuổi)
b=19bc+d1+a9e=1900+1+90+bc+d0+a00+e=1991+abc+de
Vì 1992>1991=>a>b
\(2x^2-4x\ge0\)
\(\Leftrightarrow2\left(x^2-4\right)\ge0\)
\(\Leftrightarrow x\ge\sqrt{2}\)