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(2x−1)2−14=2open paren 2 x minus 1 close paren squared minus one-fourth equals 2
KH
1
GK
14 tháng 7 2016
the sum of the first six numbers is :4 .6 =24
the sum of the seven numbers is :5 *7 =35
the seventh number is :35 -24=11
14 tháng 7 2016
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Total of 6 numbers are:
4 x 6 = 24.
Total of 7 of them are:
5 x 7 = 35.
7th number is:
35-24 = 11.
Answer: 11
If I am correct answer, please give me one k offline!
10 tháng 8 2016
Điền vào mỗi chỗ trống một từ thích hợp
My name is Lan. I study at a middle school in Ha Noi. I usually get up at half past five in the morning. I have breakfast at a quarter past six and go to school at half past six. I study nine subjects: Literature, Math, History, geography, Civics, English,Physics, Biology, and Physical Education. I have Math, English and History on Monday. Math and English are my favourite subjects. I think they are very interesting. In the afternoon, we stay at school and have more exercises for all subjects. We also play football or volleyball in the school yard. We sometimes go to the school library to read books
10 tháng 8 2016
My name is Lan. I study at a middle school in Ha Noi. I usually get up at half past five in the morning. I have breakfast at a quarter past six and go to school at half past six. I study nine subjects: Literature, Math, History, geography, Civics, English,Physics, Biology, and Physical Education. I have Math, English and History on Monday. Math and English are my favourite subjects. I think they are very interesting. In the afternoon, we stay at school andhave more exercises for all subjects. We also play football or volleyball in the school yard. We sometimes go to the school library to read books
+1
27 tháng 4 2021
a; Ta có: (x+2).(x-1)=0
Suy ra : x-2=0 hoặc x-1=0
Suy ra x=2 hoặc x=1
Vậy nghiệm của đa thức là 2 và 1
b, Tương tự nha ! hihi
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