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

Toán Lớp 6: 1. tinh gia tri cua bieu thuc sau : a.) 2/3 + 1/3 .( – 4/9 + 5/6 ) : 7/12 b.) ( 4 – 5/12 ) : 3+7/36

Home/ Toán Lớp 6: 1. tinh gia tri cua bieu thuc sau : a.) 2/3 + 1/3 .( – 4/9 + 5/6 ) : 7/12 b.) ( 4 – 5/12 ) : 3+7/36

Toán Lớp 6: 1. tinh gia tri cua bieu thuc sau : a.) 2/3 + 1/3 .( – 4/9 + 5/6 ) : 7/12 b.) ( 4 – 5/12 ) : 3+7/36

Tháng Mười 2, 2022 Toán học 2 Comments 0 views

Toán Lớp 6: 1. tinh gia tri cua bieu thuc sau : a.) 2/3 + 1/3 .( – 4/9 + 5/6 ) : 7/12 b.) ( 4 – 5/12 ) : 3+7/36

Comments ( 2 )

  1. truongthanhhung
    truongthanhhung
    2 Tháng Mười, 2022 at 2:17 sáng
    Reply
    a) 2/3 + 1/3 . (-4/9 + 5/6)
    = 2/3 + 1/3 . 7/18
    = 2/3 + 7/54
    = 43/54
    b) (4 – 5/12) : 3 + 7/36
    = 43/12 : 3 + 7/36
    = 43/36 + 7/36
    = 50/36
    = 25/18

  2. cobebongdem
    cobebongdem
    2 Tháng Mười, 2022 at 2:17 sáng
    Reply
    a)2/3+1/3 .(-4/9+5/6)
    =2/3+1/3 . 7/18
    =2/3+7/54
    =43/54
    b)(4-5/12):3+7/36
    =43/12 : 3+7/36
    =43/12 . 1/3+7/36
    =43/36+7/36
    =50/36
    =25/18

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

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