Bài 1: Tìm x
|x+1|+|x+2| = 5x
Bài 2 : Tìm GTNN
a, A = |x + 2| + 7
b, B = |2x - \(\frac{1}{3}\)| - \(\frac{4}{9}\)
c, C = |x + 1| + |x + 7|
d, D = |x + 1| + |x + 3| + |x + 4|
Bài 3 : Tìm GTLN
A = 7 - |x + 2|
1 ( EXPOSE ) to direct sunlight for long periods of time is dangerous to our skin.
2 A lack of fertilizer had ( POOR ) the soil.
3 In critical situations,they often lóe because they play so ( PROFESSION )
4 The referee’s ( PART ) in the game was admirable.
5 Our efforts to persuade her proved ( FRUIT ) – she accepted to come in the end
6 A crowd of ( STAN ) in the game was admirable.
7 You don’t need to read the instruction manual since the use of the camere is ( EXPLAIN )
8 We ( ESTIMATE ) how long it would take to get to the stadium, so we were ten minutes late for the event.
9 You can’t get burn with these dishes because they are ( HOT ) 10After taking an IQ test,students will be ( QUALIFY ) seperated into 3 different classes.
Giúp mình với, mình đang cần gấp
1. for
2. at
3. of
4. about
5. from/into
1000+456
=1456
1.A
2.D
3.B
4.A
5.A
6.D
7.C
8.C
1. animals
2. bite
3. long