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

Toán Lớp 7: 3/5 + 3/11 + -2/92 – 1/35 -3/4 + 23/44

Home/ Toán Lớp 7: 3/5 + 3/11 + -2/92 – 1/35 -3/4 + 23/44

Toán Lớp 7: 3/5 + 3/11 + -2/92 – 1/35 -3/4 + 23/44

Tháng Tám 25, 2022 Toán học 1 Comment 0 views

Toán Lớp 7: 3/5 + 3/11 + -2/92 – 1/35 -3/4 + 23/44

Comments ( 1 )

  1. trucoanh55
    trucoanh55
    25 Tháng Tám, 2022 at 10:02 chiều
    Reply
    3/5 + 3/11 – 2/92 – 1/35 – 3/4 + 23/44
    = ( 3/5 – 1/35 ) + ( 3/11 – 3/4 + 23/44 ) – 2/92
    = ( 21/35 – 1/35 ) + ( 12/44 – 33/44 + 23/44 ) – 2/92
    = 4/7 + 1/22 – 2/92  
    = 4048/7084 + 322/7084 – 154/7084
    = 4370/7084 – 154/7084
    = 1054/1771

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

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