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

Toán Lớp 6: `C = (1/3 – 1/7 -1/13)/(2/3 – 2/7 – 2/13) . (1/3 – 0,25+ 0,2)/(7/6 – 0,875 + 0,7) + 6/7`

Home/ Toán Lớp 6: `C = (1/3 – 1/7 -1/13)/(2/3 – 2/7 – 2/13) . (1/3 – 0,25+ 0,2)/(7/6 – 0,875 + 0,7) + 6/7`

Toán Lớp 6: `C = (1/3 – 1/7 -1/13)/(2/3 – 2/7 – 2/13) . (1/3 – 0,25+ 0,2)/(7/6 – 0,875 + 0,7) + 6/7`

Tháng Hai 16, 2023 Toán học 2 Comments 0 views

Toán Lớp 6: C = (1/3 – 1/7 -1/13)/(2/3 – 2/7 – 2/13) . (1/3 – 0,25+ 0,2)/(7/6 – 0,875 + 0,7) + 6/7

Comments ( 2 )

  1. dantam45
    dantam45
    16 Tháng Hai, 2023 at 1:44 sáng
    Reply
    C = {1/3 -1/7 – 1/13}/{2/3 – 2/7 -2/13} . {1/3 -0,25 +0,2}/{7/6 – 0,875+0,7} + 6/7
    -> C = {1/3 – 1/7 -1/13}/{2(1/3 -1/7 -1/13)} . { 1/3 – 1/4 + 1/5}/{7/6 – 7/8+ 7/10}+6/7
    -> C = {1/3 – 1/7 -1/13}/{2(1/3 -1/7 -1/13)} . { 2/6 – 2/8 + 2/10}/{7/6 – 7/8+ 7/10}+6/7
    -> C = 1/2  . { 2(1/6 -1/8+1/10)}/{7(1/6 -17/8+ 1/10)} +6/7
    -> C = 1/2 . 2/7 +6/7
    -> C = 1/7 +6/7
    -> C =1
     

  2. truonganhthi
    truonganhthi
    16 Tháng Hai, 2023 at 1:43 sáng
    Reply
    Đáp án:
     
    Giải thích các bước giải:
     

    toan-lop-6-c-1-3-1-7-1-13-2-3-2-7-2-13-1-3-0-25-0-2-7-6-0-875-0-7-6-7

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

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