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

Toán Lớp 4: Tính :a/3/4 x 2/9 + 1/3 b/ 5/4 : 2/9 + 1/2 c/ 7/2 – 1/4 x 1/5 d/5/4 + 1/5 : 2/3

Home/ Toán Lớp 4: Tính :a/3/4 x 2/9 + 1/3 b/ 5/4 : 2/9 + 1/2 c/ 7/2 – 1/4 x 1/5 d/5/4 + 1/5 : 2/3

Toán Lớp 4: Tính :a/3/4 x 2/9 + 1/3 b/ 5/4 : 2/9 + 1/2 c/ 7/2 – 1/4 x 1/5 d/5/4 + 1/5 : 2/3

Tháng Mười 18, 2022 Toán học 2 Comments 0 views

Toán Lớp 4: Tính :a/3/4 x 2/9 + 1/3 b/ 5/4 : 2/9 + 1/2 c/ 7/2 – 1/4 x 1/5 d/5/4 + 1/5 : 2/3

Comments ( 2 )

  1. minhtuyethue
    minhtuyethue
    18 Tháng Mười, 2022 at 1:24 chiều
    Reply
    a) 3/4 times 2/9 + 1/3
    = 1/6+1/3
    = 1/6+2/6
    = 3/6=1/2
    b) 5/4 : 2/9 + 1/2
    = 45/8+1/2
    = 45/8+4/8
    = 49/8
    c) 7/2 – 1/4 times 1/5
    = 7/2-1/20
    = 70/20-1/20
    =69/20
    d) 5/4 + 1/5 : 2/3
    =5/4+3/10
    =50/40+12/40
    =62/40=31/20

  2. quynhmaithu
    quynhmaithu
    18 Tháng Mười, 2022 at 1:24 chiều
    Reply
    a)3/4xx2/9+1/3
    =1/6+1/3
    =1/6+2/6
    =3/6=1/2
    b)5/4:2/9+1/2
    =5/4xx9/2+1/2
    =45/8+1/2
    =45/8+4/8
    =49/8
    c)7/2-1/4xx1/5
    =7/2-1/20
    =70/20-1/20
    =69/20
    d)5/4+1/5:2/3
    =5/4+1/5xx3/2
    =5/4+3/10
    =25/20+6/20
    =31/20
    #Muoi
     

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

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