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

Toán Lớp 6: Các bạn ơi giúp mk với , mk cần gấp, mấy phút nữa mk nộp rồi Bài : 1. (5.2²-20):5+3².6 2. 50:{420:[375-(150+5.3)]} 3. [(3+3⁷:3⁷):10+

Toán Lớp 6: Các bạn ơi giúp mk với , mk cần gấp, mấy phút nữa mk nộp rồi
Bài :
1. (5.2²-20):5+3².6
2. 50:{420:[375-(150+5.3)]}
3. [(3+3⁷:3⁷):10+97]
4. 6²:{180:[95-(60-55²).3]}71²⁰¹⁷

Comments ( 2 )

  1. Giải đáp:
     
    Lời giải và giải thích chi tiết:
    (5.2^2-20):5+3^2.6
    =(5.4-20):5+3^2.6
    =(20-20):5+3^2.6
    =0:5+9.6
    =0+9.6
    =54
    _________________________________________
    50:{420:[375-(150+5.3)]}
    =50:{420:[375-(150+15)]}
    =50:{420:[375-165]}
    =50:{420:210}
    =50:2
    =25
    _________________________________________
    [(3+3^7:3^7):10+97]
    =[(3+1):10+97]
    =4:10+97
    =2/5+97
    =487/4
    _________________________________________
    6^2:{180:[95-(60-55^2).3]}71^2017
    =36:{180:[95-(-2965).3]}71^2017
    =36:{180:[95-(-8895)]}71^2017
    =36:{180:8990}71^2017
    =36:180/8990.71^2017
    =8990/5.71^2017
    =1798.71^2017

  2. Giải đáp+Lời giải và giải thích chi tiết:
    1, (5.2²-20):5+3².6
    = (5.4-20):5+9.6
    =(20-20):5+54
    =0:5+54
    =0+54
    =54
    2, 50:{420:[375-(150+5.3)]}
    = 50:{420:[375-(150+15)]}
    = 50:{420:[375-165]}
    = 50:{420:210}
    = 50:2
    =25
    3,  [(3+3⁷:3⁷):10+97]
    = (3+1):10+97
    = 4:10+97
    =4/10+97
    =97 2/5
    =487/4
    4,  6²:{180:[95-(60-55²).3]}71²⁰¹⁷
    = 36:{180:[95-(60-55^2)]}.71^2017
    = 36:{180:[95-(60-3025)]}.71^2017
    = 36:{180:[95-(-2965]}.71^2017
    = 36:{180:[95+2965]}.71^2017
    = 36:{180:3060}.71^2017
    =36:180/3060.71^2017
    = 36: 1/17. 71^2017
    =36.17.71^2017
    =612.71^2017

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