Question

9£®ÇóÏÂÁи÷ʽµÄÖµ
£¨1£©$\sqrt{6{1}^{2}-6{0}^{2}}$£»
£¨2£©$\sqrt{0.09}$+$\sqrt{0.64}$£»
£¨3£©$\frac{1}{3}$$\sqrt{0.36}$+$\frac{1}{6}$$\sqrt{900}$£»
£¨4£©$\sqrt{625}$¡Á$\sqrt{\frac{1}{25}}$+3¡Á$\sqrt{\frac{1}{9}}$+$\sqrt{0}$£®

Answer 1

·ÖÎö £¨1£©Ö±½ÓÀûÓÃƽ·½²î¹«Ê½·Ö½âÒòʽ½ø¶ø»¯¼òÇó³ö´ð°¸£»
£¨2£©Ö±½Ó¿ªÆ½·½½ø¶øµÃ³ö´ð°¸£»
£¨3£©Ö±½Ó¿ªÆ½·½½ø¶øµÃ³ö´ð°¸£»
£¨4£©Ö±½Ó¿ªÆ½·½½ø¶øÀûÓó˷¨¼ÆËã·¨ÔòµÃ³ö´ð°¸£®

½â´ð ½â£º£¨1£©$\sqrt{6{1}^{2}-6{0}^{2}}$=$\sqrt{£¨61-60£©¡Á£¨61+60£©}$
=$\sqrt{121}$
=11£»

£¨2£©$\sqrt{0.09}$+$\sqrt{0.64}$
=0.3+0.8
=1.1£»

£¨3£©$\frac{1}{3}$$\sqrt{0.36}$+$\frac{1}{6}$$\sqrt{900}$
=$\frac{1}{3}$¡Á0.6+$\frac{1}{6}$¡Á30
=0.2+5
=5.2£»

£¨4£©$\sqrt{625}$¡Á$\sqrt{\frac{1}{25}}$+3¡Á$\sqrt{\frac{1}{9}}$+$\sqrt{0}$
=25¡Á$\frac{1}{5}$+3¡Á$\frac{1}{3}$+0
=5+1
=6£®

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