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

Toán Lớp 6: h =45 mũ 3 x 20 mũ 4 x 18 mũ 2/108 mũ 5

Toán Lớp 6: h =45 mũ 3 x 20 mũ 4 x 18 mũ 2/108 mũ 5

Comments ( 1 )

  1.    h=$45^{3}$ x $20^{4}$ x $18^{2}$ ÷ $108^{5}$ 
    ⇒h=$[{3^{2}×5}]^{3}$ × $[{2^{2}×5}]^{4}$ × $[{3^{2}×2}]^{2}$ ÷ $[{3^{2}×2^{2}}]^{5}$
    ⇒h=$3^{6}$ x $5^{3}$ × $2^{8}$ x $5^{4}$ × $3^{4}$ x $2^{2}$ ÷ ($3^{10}$ x $5^{10}$)
    ⇒h=$3^{6}$ x $3^{4}$ ÷ $3^{10}$ x $5^{3}$ x $5^{4}$ ÷ $5^{10}$ x $2^{8}$ x $2^{2}$
    ⇒h=1 ÷ $5^{3}$ x $2^{10}$
    ⇒h=$\frac{2^{10}}{{5^3}}$ 
    Vậy h=$\frac{2^{10}}{{5^3}}$ 
    ~~~~~~~~~~Cho mình xin câu trả lời hay nhất nha!~~~~~~~~~~
                   ~~~~~~~~~~Chúc bạn học tốt!~~~~~~~~~~

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

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