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 6: 210+220+230+240+250+260+270+280+290+300=? mình cần gấp ạ

Toán Lớp 6: 210+220+230+240+250+260+270+280+290+300=?
mình cần gấp ạ

Comments ( 2 )

  1. 210+220+230+240+250+260+270+280+290+300
    =(210+290)+(220+280)+(230+270)+(240+260)+250+300
    =500+500+500+500+550
    =2000+550
    =2550

  2. Giải đáp:
    $2550$
    Lời giải và giải thích chi tiết:
    $210+220+230+240+250+260+270+280+290+300\\=(210+300)+(220+290)+(230+280)+(240+270)+(250+260)\\=510+510+510+510+510\\=510.5=2550$

Leave a reply

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