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Answers ( 15 )
  • See question detail

    10+20+30+40+50+60

    =70 x3

    =210

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    tôi để lại số quả táo là:

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    bạn không nên đăng những câu hỏi linh tinh như vậy vì đây là chương trình giúp nhau giải toán mà

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    bạn không nên đăng những câu hỏi linh tinh như 1+1,... trên diễn đàn

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    Multiplies of 3,4,5 => Multiplies of 3x4x5=60

    Số thẻ numbers satisfy is 60 ,120,180,...,480

    => 8 

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    Ta có

    Vậy A;cho 10

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    chứng tỏ rằng số:A=54^5-54^4 chia hết cho 53

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    Thank you

    I Math you

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     75+15+25+85+60+50+40+50+10

    =(75+25)+(15+85)+(60+40)+(50+50)+10

    =100+100+100+100+10

    =410

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    AL very good

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    thank you

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                        Answer:

    3^223>3^222=(3^2)^111=9^111

    2^322<2^333=(2^3)111=8^111

    Form(1) and (2) deduced:2^332<8^111<9^111<3^223

    Dress:2^332<3^223

    yourself home

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         Answer:

    9^200=(3^2)^200=3^400

    Dress 3^400=9^200

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    History is the  long

    HeHe

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                    Answer:

    2^91>2^90=(2^5)^18=32^18>25^18=(5^2)^18=5^36>5^35

    Dress 2^91>5^35

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Questions ( 11 )
  • For a rectangle of 12cm in length, 8cm in width. Calculate rectangular perimeter

     
  • A survey showed that of 120 secondary school students: 52 of them have a dog, 31 of them have a cat and 19 of them have both.
    How many of the 120 students have neither a dog nor a cat? 
    Answer: ........ students.

  • 75+20+45+55+80=?

     

  • 75+34+43+25+66=?

     

  • 75+34+43+25+66+57=?

     

  • 75+12+43+25+88+50+57=?

  • Given two positive real numbers x,y so that x+y≥10x+y≥10 

    Find the smallest value of P , know P = 2x+y+30/x+5/y

  • A survey showed that of 120 secondary school students: 52 of them have a dog, 31 of them have a cat and 19 of them have both.
    How many of the 120 students have neither a dog nor a cat? 
    Answer: ........ students.

  • Compare:

    2^30 and 3^20

  • Violet x:                  

    15+10+30+70+10+90+85

     

  • Compare: 99^20 and 9999^10

     

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