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һ龳¿ ʦϲɭȥ ϲ
ʦϲɭʲôأ
ɭСݡ۷䣬пɰСá ʦڿξһɭȥΰɣ ֪̽ һɭʳƷꡣ
1ʦſμȵɭʳƷһﶼЩʲô ѧ۲ͼȷͼ⡣
ʦͬΪһһѧϷһ˰˿ͣеһ˰Աе ʦϷֹ 1ÿ˶5ֵĻ֡
2ԱÿһⲢ˿͡⣬ɼ1֡
3˿ֲָܷ͡ԱһʧԷϿɣɼ1֣Աÿʧһο1֡
4Աֲָܷ˿͡ԼʧָǴģˣôԱ1֣˿͡1֡
5ȹ涨10ֵʱڣִﵽ10ߣٻԱ˿͡ƺš 2ѧϷʦѲӡ 3㱨ϷʦСᡣ Ʒ̵ꡣ
1ʦſμɭʳƷ꣬ٵƷ̵ȥһϸ۲ͼͼЩƷ ѧ۲ͼͼ⡣
ʦһЩƷҲһЩѧߺһͬ˽ɫϷʱͬҪעϷ 2ѧϷʦѲӡ 3㱨ϷʦСᡣ ʵ
1һеСͬ˵һ˵
2Լˮѡѿ֧¼ȻСڽ ɣ
ġСᣬȫ淢չ
ʦһڿѧʲôΪı ʦ
κ˼
Ԫ
һһֻҪϸģѵġ 10.50Ԫǣ
27.12Ԫǣ Ԫ ǣ ֡ 39.60 47Ԫ3ǣ Ԫ 585ǣ Ԫ ڡϡ
5.14Ԫ5.20Ԫ 4Ԫ5ǡ4.50Ԫ 9.419.41 5.065.40
ȷڡ̡Ĵںϡ 6.7 12.2 3.9 1 7.3 + 1 -8.3 + 3 + 1.4 6.8 20.5 4.2 3.13 ġʽ㣬ҪעС롣
3.6+2.7 6.2-4.8 12.7+9
7-2.6 18.7-1.8 5.6+14.4
塢У
7.8Ԫ 3.6Ԫ 16.2Ԫ 9.9Ԫ 1һɡһһҪǮ
2һС˱һʥ˱˶Ǯ
320ԪǮСˣǮ
430ԪǮʲôʣԪ
5ʲôѧ⣿
⣺
⣺
ķЩ֣
.53.26 20.9620.9