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

Toán Lớp 9: (3+ 2√3) / (√3) + (2 +√2) / (√2 + 1) – (√2 + √3)

Toán Lớp 9: (3+ 2√3) / (√3) + (2 +√2) / (√2 + 1) – (√2 + √3)

Comments ( 2 )

  1. Giải đáp+Lời giải và giải thích chi tiết:
     \frac{3+2\sqrt{3}}{\sqrt{3}}+\frac{2+\sqrt{2}}{\sqrt{2}+1}-(\sqrt{2}+\sqrt{3})
    =\frac{\sqrt{3}(\sqrt{3}+2)}{\sqrt{3}}+\frac{\sqrt{2}(\sqrt{2}+1)}{\sqrt{2}+1}-\sqrt{2}-\sqrt{3}
    =\sqrt{3}+2+\sqrt{2}-\sqrt{2}-\sqrt{3}
    =2

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