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

Toán Lớp 4: bài 2 Tìm x * X x 5 + 122 + 236 = 633 (X : 12) x 7 + 8 = 36

Toán Lớp 4: bài 2
Tìm x
* X x 5 + 122 + 236 = 633
(X : 12) x 7 + 8 = 36

Comments ( 2 )

  1. x × 5 + 122 + 236 = 633
    x × 5 + 358 = 633
    x × 5 = 633 – 358
    x × 5 = 275
    x = 275 : 5
    x = 55
    – vậy x = 55
    ( x : 12 ) × 7 + 8 = 36
    ( x : 12 ) × 7 = 36 – 8
    ( x : 12 ) × 7 = 28
    x : 12 = 28 : 7
    x : 12 = 4
    x = 4 × 12
    x = 48
    – Vậy x = 48
    @Rin

  2. text{~ promax123 ~}
    text{Giải đáp + Giải thích :}
    x × 5 + 122 + 236 = 633
    x × 5 + 122 = 633 – 236
    x × 5 + 122 = 297
    x × 5 = 297 – 122
    x × 5 = 275
    x       = 175 : 5
    x       = 35
    ————————-
    ( x : 12 ) × 7 + 8 = 36
    ( x : 12 ) × 7 = 36 – 8
    ( x : 12 ) × 7 = 28
    x : 12 = 28 : 7
    x : 12 = 4
    x       = 4 × 12
    x       = 48

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