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

Toán Lớp 6: (7 mũ 2022-7 mũ 2021):7 mũ 2021 160 – (4.52 – 3.23) Làm cách dễ hiểu nhất

Toán Lớp 6: (7 mũ 2022-7 mũ 2021):7 mũ 2021
160 – (4.52 – 3.23)
Làm cách dễ hiểu nhất

Comments ( 2 )

  1. a) ($7^{2022}$ – $7^{2021}$) : $7^{2021}$ 
    = $7^{2022}$ : $7^{2021}$ – $7^{2021}$ : $7^{2021}$
    = $7^{1}$ – 1
    = 7 – 1
    = 6
    b) 160 – (4.52 – 3.23)
    = 160 – (208 – 69)
    = 160 – 139
    = 21
    Chúc bạn học tốt

  2. (7^2022 – 7^2021) : 7^2021
    =7^2022 : 7^2021 – 7^2021
    = 7 – 1
    = 6
    b) 160 – (4.52 – 3.23)
    = 160 – (208 – 69)
    = 160 – 139
    = 21

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