Register Now

Login

Lost Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

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

Toán Lớp 7: (10+5123+6134+2435+6734+12436 ). (5034 + 19234) ( 345 + 20 – 365 ).(456+5-460)

Toán Lớp 7: (10+5123+6134+2435+6734+12436 ). (5034 + 19234) ( 345 + 20 – 365 ).(456+5-460)

Comments ( 2 )

  1. $\text{(10+5123+6134+2435+6734+12436 ). (5034 + 19234) ( 345 + 20 – 365 ).(456+5-460)}$
    $\text{Để ý thấy 345 + 20 – 365=365-365=0}$
    $\text{Nên }$
    $\text{(10+5123+6134+2435+6734+12436 ). (5034 + 19234) ( 345 + 20 – 365 ).(456+5-460)}$
    $\text{=(10+5123+6134+2435+6734+12436 ). (5034 + 19234).0.(456+5-460)}$
    $\text{=0 }$
     

  2. (10 + 5123 + 6134 + 2435 + 6734 + 12436) . (5034 + 19234) . (345 + 20 – 365) . (456 + 5 – 460)
    = (10 + 5123 + 6134 + 2435 + 6734 + 12436) . (5034 + 19234) . (365 – 365) . (456 + 5 – 460)
    = (10 + 5123 + 6134 + 2435 + 6734 + 12436) . (5034 + 19234) . 0 . (456 + 5 – 460)
    = 0
    (Số nào nhân với 0 đều có kết quả là 0)
     

Leave a reply

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