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数学
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(0.81×7.5×0.48)÷(0.25×0.24×0.27)=? 用简便方法计算
人气:235 ℃ 时间:2020-03-11 20:08:52
解答
0.81和0.27,7.5和0.25,0.48和0.24,除完后相乘,3*30*2=180��ʽ��0.81��0.27������7.5��0.25������0.48��0.24��=180
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