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

Toán Lớp 6: Bài 1 : Tính . a) 2 370 – 179 + 21 b) 100 : 5 . 4 c) 396 : 18 : 2 Bài 2 : Tính . a) 143 – 12 . 5 b) 27 . 8 – 6 : 3 c) 36 – 12 : 4 . 3

Toán Lớp 6: Bài 1 : Tính .
a) 2 370 – 179 + 21
b) 100 : 5 . 4
c) 396 : 18 : 2
Bài 2 : Tính .
a) 143 – 12 . 5
b) 27 . 8 – 6 : 3
c) 36 – 12 : 4 . 3 + 17
giúp eim vs ak
thanks trước ak
xong trước 1 h nha mn !!!

Comments ( 2 )

  1. $\text{Bài 1:}$
    a, 2370 – 179 + 21
    = 2191 + 21
    = 2212
    b, 100 : 5 . 4
    = 20 . 4
    = 80
    c, 396 : 18 : 2
    = 22 : 2
    = 11
    ———-
    $\text{Bài 2:}$
    a, 143 – 12 . 5
    = 143 – 60
    = 83
    b, 27 . 8 – 6 : 3
    = 216 – 2
    = 214
    c, 36 – 12 : 4 . 3 + 17
    = 36 – 3 . 3 + 17
    = 36 – 9 + 17
    = 27 + 17
    = 44
     

  2. Bài 1:
    a. 2370 – 179 + 21 = 2370 – 179 + 21 = 2191 + 21 = 2212
    b. 100 : 5 . 4 = 100 : 5.4 = 20 . 4 = 80
    c. 396 : 18 : 2 = 22 : 2 = 11
    Bài 2:
    a. 143 – 12 . 5 = 143 – 60 = 83
    b. 27 . 8 – 6 : 3 = 216 – 2 = 214
    c. 36 – 12 : 4 . 3 + 17 = 36 – 3 . 3 + 17 = 36 – 9 + 17 = 44

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

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