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

Toán Lớp 9: Tính : 3√3 -2√7 +4√300 -4√5 +15√45

Toán Lớp 9: Tính :
3√3 -2√7 +4√300 -4√5 +15√45

Comments ( 2 )

  1. 3\sqrt{3}-2\sqrt{7}+4\sqrt{300}-4\sqrt{5}+15\sqrt{45}
    =3\sqrt{3}-2\sqrt{7}+40\sqrt{3}-4\sqrt{5}+45\sqrt{5}
    =3\sqrt{3}+40\sqrt{3}-2\sqrt{7}-4\sqrt{5}+45\sqrt{5}
    =43\sqrt{3}-2\sqrt{7}-40\sqrt{5}
     

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

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