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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 6: Tính nhanh a)A=(6^2+7^2+8^2+9^2+10^2)-(1^2+2^2+3^2+4^2+5^2) b)B=(2^2+1)(2^4+1)(2^8+1)(2^16+1) c)C=(5^2+1)(5^4+1)(5^8+1)(5^16+1)(5^32+1)

Toán Lớp 6: Tính nhanh
a)A=(6^2+7^2+8^2+9^2+10^2)-(1^2+2^2+3^2+4^2+5^2)
b)B=(2^2+1)(2^4+1)(2^8+1)(2^16+1)
c)C=(5^2+1)(5^4+1)(5^8+1)(5^16+1)(5^32+1)

Comments ( 2 )

  1. A=(6^2+7^2+8^2+9^2+10^2)-(1^2+2^2+3^2+4^2+5^2)
    A= 330 – 55
    A= 275 
    B=(2^2+1)(2^4+1)(2^8+1)(2^16+1)
    B = 5 xx 17 xx 257 xx 65537
    B = 1431655765

  2. A=(6^2+7^2+8^2+9^2+10^2)-(1^2+2^2+3^2+4^2+5^2)
     A= 330 – 55 = 275 
    B=(2^2+1)(2^4+1)(2^8+1)(2^16+1)
    B = 5 x 17 x 257 x 65537
    B = 1431655765

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222-9+11+12:2*14+14 = ? ( )

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