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

Toán Lớp 4: Tìm x: x × 54 – 2 × x + x × 48 = 202000

Home/ Toán Lớp 4: Tìm x: x × 54 – 2 × x + x × 48 = 202000

Toán Lớp 4: Tìm x: x × 54 – 2 × x + x × 48 = 202000

Tháng Sáu 27, 2022 Toán học 2 Comments 0 views

Toán Lớp 4: Tìm x:
x × 54 – 2 × x + x × 48 = 202000

Comments ( 2 )

  1. giangnguyen33
    giangnguyen33
    27 Tháng Sáu, 2022 at 1:05 sáng
    Reply
    x xx 54-2 xx x + x xx 48 = 202000
    =>x xx(54-2+48)=202000
    =>x xx(52+48)=202000
    =>x xx100=202000
    =>x=20200:100
    =>x=2020
    Vậy x=2020
     

  2. diemchau
    diemchau
    27 Tháng Sáu, 2022 at 1:04 sáng
    Reply
    x × 54 – 2 × x + x × 48 = 202000
    x * 54 – 2 * x + x * 48 = 100x 
    100x = 2^4*5^3*101
    100x = 202000 
    \cancel{100} = \cancel{100} * 2020
    x = 2020  

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

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