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数学
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(2.8+2有4/5+280%+14/5)*25 3.6*2.7+18*0.56-1.8*10%÷10% 14/15-94/25+8/150-1/25
20-【(1/2+1/3)÷5/6}*1.2
14/15-94/25+8/150-1/25
人气:281 ℃ 时间:2019-08-18 22:52:31
解答
=20-{5/6x6/5}
=20-1
19
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用简便方法计算;1.2.3*3.14-1.2*3.14+8.9*3.14 2.2.56*15+14.4*0.5-0.3*150
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