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3.47×(3.75-2.5)+4.53×1.25
人气:353 ℃ 时间:2020-04-04 11:29:17
解答
3.47X(3.75—2.5)+4.53x1.25
=3.75x1.25+4.53x1.25
=1.25x(3.47+4.53)
=1.25x8
=10��Ϊʲô������1.25,���и�2.5�أ����Ǽ��㣬
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