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

Toán Lớp 9: Rút gọn biểu thức : (5√2+2√5) √5-250

Toán Lớp 9: Rút gọn biểu thức : (5√2+2√5) √5-250

Comments ( 2 )

  1. $ ( 5\sqrt[]{2} + 2\sqrt[]{5} ) \sqrt[]{5} – 250 $
    $ = 5 \sqrt[]{10} + 10 – 250 $
    $ = 5 \sqrt[]{10} – 240 $
     

  2. $\text{(5$\sqrt{2}$+2$\sqrt{5}$)$\sqrt{5}$-250}$
    $\text{5$\sqrt{10}$+10-250}$
    $\text{5$\sqrt{10}$-240}$

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