计算下列各式,..
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计算下列各式,..
楼上的(1)错了.
(1)
√0.36x√4/121÷³√1/8
=0.6x2/11 ÷1/2
=0.6x 2/11 x 2
=2.4/11
=12/55
(2)
√2+3√2-5√2
=√2(1+3-5)
=-√2
(3)
√6(1/√6-√6)
=√6x1/√6- √6x√6
=1-6
=-5
计算下列各式,..
楼上的(1)错了.
(1)
√0.36x√4/121÷³√1/8
=0.6x2/11 ÷1/2
=0.6x 2/11 x 2
=2.4/11
=12/55
(2)
√2+3√2-5√2
=√2(1+3-5)
=-√2
(3)
√6(1/√6-√6)
=√6x1/√6- √6x√6
=1-6
=-5