√18-√9/2等于多少?
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√18-√9/2等于多少?
√18-√9/2等于多少?
√18-√9/2等于多少?
√18-√9/2=3√2-3/2
3√2/2
等于:2.121320344……
(3√2)/2
√18-√9/2
=3√2-3√1/2
=3√2-3*(1√2)
=3√2-3*(√2 / 2)
=(3-3/2)*√2
=(3√2 )/2
√18-√9/2等于多少?
√18-√9/2等于多少?
√18-√9/2等于多少?
√18-√9/2=3√2-3/2
3√2/2
等于:2.121320344……
(3√2)/2
√18-√9/2
=3√2-3√1/2
=3√2-3*(1√2)
=3√2-3*(√2 / 2)
=(3-3/2)*√2
=(3√2 )/2