(2/3-1/2+1/4)÷1/36 6/19×13/17+4/19×6/17 用简便方法计算要有过程
(2/3-1/2+1/4)÷1/36
6/19×13/17+4/19×6/17
人气:300 ℃ 时间:2019-08-18 10:42:27
解答
(2/3-1/2+1/4)除1/36
=(2/3-1/2+1/4)*36
=24-18+9
=156/19��13/17+4/19��6/17�����������
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