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

Toán Lớp 9: 3 √32 – 2 √50 – √ $\frac{1}{2}$ + $\frac{7}{√2}$

Home/ Toán Lớp 9: 3 √32 – 2 √50 – √ $\frac{1}{2}$ + $\frac{7}{√2}$

Toán Lớp 9: 3 √32 – 2 √50 – √ $\frac{1}{2}$ + $\frac{7}{√2}$

Tháng Sáu 12, 2022 Toán học 2 Comments 0 views

Toán Lớp 9: 3 √32 – 2 √50 – √ $\frac{1}{2}$ + $\frac{7}{√2}$

Comments ( 2 )

  1. minhtamnguyet88
    minhtamnguyet88
    12 Tháng Sáu, 2022 at 10:42 sáng
    Reply
    3\sqrt[32]-2\sqrt{50}-\sqrt{1/2}+7/\sqrt{2}
    =12\sqrt[2]-10\sqrt{2}-\sqrt{2}/2+{7\sqrt{2}}/2
    =12\sqrt[2]-10\sqrt{2}-(\sqrt{2}/2-{7\sqrt{2}}/2)
    =2\sqrt[2]-{-6\sqrt{2}}/2
    =2\sqrt[2]+3\sqrt[2]
    =5\sqrt[2]

  2. kimnguenoanh
    kimnguenoanh
    12 Tháng Sáu, 2022 at 10:42 sáng
    Reply
         3.4$\sqrt{2}$ -2.5$\sqrt{2}$ -$\frac{\sqrt{2}}{2}$ +$\frac{7\sqrt{2}}{2}$ 
    =  2$\sqrt{2}$ +3$\sqrt{2}$ 
    = 5$\sqrt{2}$ 

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

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