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

Toán Lớp 6: tính giá trị biểu thức c=72 mũ 3 x 54 mũ 2/ 108 mũ 4

Toán Lớp 6: tính giá trị biểu thức c=72 mũ 3 x 54 mũ 2/ 108 mũ 4

Comments ( 1 )

  1. $@Mốc$
    *Chú ý: $(a^{m})^{n}$ = $a^{m.n}$
                $a^{m}.a^{n}$ = $a^{m+n}$
    $C$ = $\frac{72^{3}.54^{2}}{108^{4}}$ 
    $C$ = $\frac{(36.2)^{3}.(6.9)^{2}}{(36.3)^{4}}$
    $C$ = $\frac{(6^{2}.2)^{3}.(6.3^{2})^{2}}{(6^{2}.3)^{4}}$
    $C$ = $\frac{6^{6}.2^{3}.6^{2}.3^{4}}{6^{8}.3^{4}}$
    $C$ = $\frac{6^{8}.2^{3}.3^{4}}{6^{8}.3^{4}}$
    $C$ = $2^{3}$
    $C$ = $8$
    $#chucbanhoctotnhe;333$    

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