利用几何画板探究数学问题
jd-books
sku: 1940058
387.00 грн.+3%
~ 399.00 грн.
$9.49, $1.00 = 42.00 грн.
895.00 руб.+5%
~ 940.00 руб.
$9.49, $1.00 = 98.97 руб.
€ 8.80+4%
~ € 9.15
$9.49, € 1.00 = $1.04
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