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 5: Tính nhanh: `125/100` `xx` `5/100` `+` `1/5` `xx` `8“75/100` `+` `1“25/100` `xx` `15/100`

Home/ Toán Lớp 5: Tính nhanh: `125/100` `xx` `5/100` `+` `1/5` `xx` `8“75/100` `+` `1“25/100` `xx` `15/100`

Toán Lớp 5: Tính nhanh: `125/100` `xx` `5/100` `+` `1/5` `xx` `8“75/100` `+` `1“25/100` `xx` `15/100`

Tháng Sáu 1, 2022 Toán học 2 Comments 0 views

Toán Lớp 5: Tính nhanh:
125/100 xx 5/100 + 1/5 xx 875/100 + 125/100 xx 15/100

Comments ( 2 )

  1. trucoanh55
    trucoanh55
    1 Tháng Sáu, 2022 at 2:32 chiều
    Reply
    125/100xx5/100+1/5xx8 75/100+1 25/100xx15/100
    =125/100xx5/100+1/5xx35/4+5/4xx15/100
    =5/4xx1/20+1/5xx35/4+5/4xx3/20
    =5/4xx(1/20+3/20)+1/5xx35/4
    =5/4xx1/5+1/5xx35/4
    =1/5xx(35/4+5/4)
    =1/5xx10
    =2

  2. lanngocha
    lanngocha
    1 Tháng Sáu, 2022 at 2:32 chiều
    Reply
    125/100xx5/100+1/5xx8 75/100+1 25/100xx15/100
    =125/100xx5/100+1/5xx35/4+5/4xx15/100
    =5/4xx1/20+1/5xx35/4+5/4xx3/20
    =5/4xx(1/20+3/20)+1/5xx35/4
    =5/4xx1/5+1/5xx35/4
    =1/5xx(35/4+5/4)
    =1/5xx10
    =2

Leave a reply

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

Ngọc Quý

About Ngọc Quý