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

Toán Lớp 6: 15-5.{42:[7⁶:7⁴-4.(3.5-2³)]}+2020⁰

Toán Lớp 6: 15-5.{42:[7⁶:7⁴-4.(3.5-2³)]}+2020⁰

Comments ( 2 )

  1. Giải đáp+Lời giải và giải thích chi tiết:
    15-5.{42:[7^6 : 7^4-4.(3.5-2^3)]}+2020^0
    = 15-5.{42:[7^2 – 4.(15-8)]}+1
    = 15-5.{42:[49 – 4.7]}+1
    = 15-5.{42:[49 – 28]}+1
    = 15-5.{42:21}+1
    = 15-5.2+1
    = 15 – 10 +1
    = 5 + 1 = 6
    #SunHee

  2. 15-5.{42:[7^6:7^4-4.(3.5-2^3)]}+2020^0
    =15-5.{42:[7^2-4.(15-8)]}+1
    =15-5.{42:[49-4.7]}+1
    =15-5.{42:[49-28]}+1
    =15-5.{42:21}+1
    =15-5.2+1
    =15-10+1
    =5+1
    =6

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