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

Toán Lớp 8: [(xy)^3-3(xy)^2.z+2(xy)^5]:(yx)^2

Home/ Toán Lớp 8: [(xy)^3-3(xy)^2.z+2(xy)^5]:(yx)^2

Toán Lớp 8: [(xy)^3-3(xy)^2.z+2(xy)^5]:(yx)^2

Tháng Sáu 26, 2022 Toán học 2 Comments 0 views

Toán Lớp 8: [(xy)^3-3(xy)^2.z+2(xy)^5]:(yx)^2

Comments ( 2 )

  1. lantrungbach
    lantrungbach
    26 Tháng Sáu, 2022 at 11:47 sáng
    Reply
    $[(xy)^3-3(xy)^2.z+2(xy)^5]:(yx)^2\\ =(xy)^3:(xy)^2-3(xy)^2.z:(xy)^2+2(xy)^5:(xy)^2\\=xy-3z+2(xy)^3$

  2. thanhtung
    thanhtung
    26 Tháng Sáu, 2022 at 11:46 sáng
    Reply
    #huy
    [(xy)^3-3(xy)^2.z+2(xy)^5]:(yx)^2
    =[(xy)^3:(xy)^2)]-[3(xy)^2.z:(xy)^2]+[2(xy)^5:(xy)^2]
    =xy-3z+2(xy)^3
     

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

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