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

Toán Lớp 6: 37/43 x 17/29 – 21/41 x 1/2 +9/58 : 1 và 6/37-6/29:1 và 20/21 mấy cái và kia là hỗn số ạ

Toán Lớp 6: 37/43 x 17/29 – 21/41 x 1/2 +9/58 : 1 và 6/37-6/29:1 và 20/21 mấy cái và kia là hỗn số ạ

Comments ( 2 )

  1. \text {@Luffy Cat}
    37/43 x 17/29 – 21/41 x 1/2 +9/58 : 1 6/37-6/29:1 20/21
    =37/43 x 17/29 – 21/41 x 1/2 + 9/58 : 43/37-6/29 : 41/21
    =37/43 x 17/29 – 21/41 x 1/2 + 9/58 x 37/43 -6/29 x 21/41
    =37/43 x (17/29+9/58) – 21/41 x (1/2+6/29)
    =37/43 x 43/58 – 21/41 x 41/58
    =37/58-21/58
    =16/58
    =8/29

  2. 37/43 xx 17/29 – 21/41 xx 1/2 + 9/58 : 1 6/37 – 6/29 : 1 20/21
    = 37/43 xx 17/29 – 21/41 xx 1/2 + 9/58 : 43/37 – 6/29 : 41/21
    =37/43 xx 17/29 – 21/41 xx 1/2 + 9/58 xx 37/43 – 6/29 xx 21/41
    = ( 17/29 + 9/58) xx 37/43 – ( 1/2 + 6/29) xx 21/41
    = 43/58 xx 37/43 – 41/58 xx 21/41
    = 37/58 – 21/58
    = 8/29

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