các bn dẫn mk với mk cần gấp
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Do những số hạng liên tiếp đều hơn kém nhau 2 nên ta có số số hạng là
\(\left(98-2\right):2+1=49\)
Tổng là
\(\left(98+2\right)\cdot49:2=2450\)
một đống mặt
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TV(Television) is a kind of technology, it have movies.Live football stream and have a many channels,if you don't have a TV,you can't watch anything in the world ,you can't watch any channel and movie,that would be very boring
Đề bài toán: So sánh 2600 và 3400
Bài giải:
Ta có: 2600 = 26.100 = (26)100 = 64100
3400 = 34.100 = (34)100 = 81100
Vì 64100 < 81100 nên 2600 < 3400
Chúc bạn học tốt.
95 stop - throwing
96 to increase
97 cutting
98 learning
99 to offer
100 reading
101 to drive
102 smoking
103 keeping
104 borrowing
105 to get
106 making
107 to run
108 to rain
109 to take
110 listaning
111 writing
112 trying
113 doing
114 to go
115 to find
116 staying
117 not to be
118 to finish
119 to allow - to think
120 wash - to play
121 stay
122 to do
123 saying
124 to wait
125 translate
126 to talk
127 to download
129 watching - practicing
130 to inform
131 to see
132 to go
133 to know
134 asking - telling - to buy
135 waitng
II
1 a clinician
2 muscles
3 a apprentice
4 a switch
5 a plumber
A 1. 1.D
2. C
3. A
4. B
5. C
1. compass
2. colors
3. karate
4. rose
5. post office
B 1. B
2. A
3. C
4. A
5. B
2.
1. B
2. C
3. D
4. B
5. A
tk mik nha
a.
1D
2.B