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

Toán Lớp 7: c,(13,7^5:137^4).10^10=????????????/

Toán Lớp 7: c,(13,7^5:137^4).10^10=????????????/

Comments ( 2 )

  1. Xin hay nhất nhé tus ^_^
    $\text{(}$$13,7^{5}$ : $137^{4}$$\text{)}$ . $10^{10}$ 
    $\text{= (}$$13,7^{5}$ . $10^{5}$ : $137^{4}$$\text{)}$ . $10^{10}$ : $10^{5}$
    $\text{= (}$$137^{5}$ : $137^{4}$$\text{)}$ . $10^{5}$
    $\text{= 137 . 100000 = 13700000}$

  2. Giải đáp:
    $13700000$ 
    Lời giải và giải thích chi tiết:
    $(13,7^5:137^4).10^{10}$
    $=(137^5:137^4):10^5.10^{10}$
    $=137.10^5$
    $=13700000$

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

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